Question

Evaluate 31 + 2x when x = 4.


A. 33
B. 37
C. 39
D. 132

Answer 1

39

Answer 2

Exit
Evaluate 0.53n + 5 when n = 3 and when n = −3.


A. 6.59 and 3.41
B. −6.59 and 3.41
C. −6.59 and −3.41
D. 6.59 and −3.41

Answer 3

Evaluate 4a + 5b
when a = 2 and b = −3.1.


A. 6.5
B. 16.1
C. 21.5
D. −7.5

Answer 4

Which expression indicates 10 subtracted from 9n?


A. 10 − 9n
B. 9n − 10
C. 10 + (−9n)
D. 9 − 10n

Answer 5

Diane purchase 12 handkerchiefs for a certain amount of money.


Using m for the cost of one handkerchief, which expression illustrates the amount of money spent on all the handkerchiefs?


A. 12 − m
B. 12 + m
C. 12m
D.

Answer 6

Car rental at Q.T. Rental is $22 per day plus an initial deposit of $36.


Which expression shows how much it will cost to rent a car for d number of days?


A. 22d − 36
B. 22 − 36d
C. 36 − 22d
D. 36 + 22d

Answer 7

Exit
Tammy purchases 16 pairs of socks for a certain amount of money.


Using s for the cost of one pair of socks, which expression represents the total cost of all 16 pairs of socks?


A. 16 − s
B. 16 + s
C. 16s
D.

Answer 8

too many question, I QUIT

Answer 9

Evaluate ab + 3c when a = –6, b = –2, and c = 5.


A. 0
B. 3
C. 4
D. 27

Answer 10

A) 6.59 and 3.41 This solution is possible without actually multiplying .53 by 3 or -3; instead, use approximation and estimation: one-half of 3 is one and one-half; one -half of negative three is negative 1.5

Answer 11

Evaluate 3a + 6b when a = 5 and b = –2.4.


A. 0.6
B. –0.6
C. –6.4
D. 6.6

Answer 12

thats it

Answer 13

for the very first equation, multiply 2 by 4 (since x equals 4). so ur equation now is 31 + 8 = 39

Answer 14

if u answer all i will fan and medal

Answer 15

i can try, but fair warning it cood be wrong

Answer 16

ok

Answer 17

so im working on the 0.53 + 5 one... hold on for a sec

Answer 18

k

Answer 19

its a got to the next 1

Answer 20

for the second one, there are 2 parts. the answer for the n= (positive) 3 is:6.59
for the second part, (the negative 3), the answer is: 3.41

Answer 21

ok

Answer 22

4a+5b= is -7.5

Answer 23

9n - 10 for the fourth one

Answer 24

12m? for the fifth one

Answer 25

36 + 22d?

Answer 26

number 8

Answer 27

the last one?

Answer 28

yeah

Answer 29

0.6

Answer 30

do u want more help with the others?