Question

Evaluate the expression when a = 3 and b = 5.

7a – 3b + 2

A.
15

B.
7

C.
4

D.
8

Answer 1

then i got to more questions after this

Answer 2

7(3)-3(5)+2

Answer 3

8

Answer 4

Good

Answer 5

Which is a variable expression for the word phrase?

the product of 3 and a number decreased by 7

A.
3n + 7

B.
7 – 3n

C.
3n – 7

D.
7n – 3

Answer 6

product= multiplying
3 is given
a number=n
decreased=-
7=given

Answer 7

what

Answer 8

put all the info i gave together.

Answer 9

3n-7

Answer 10

Good

Answer 11

next one

Answer 12

How many more??

Answer 13

Select the mathematical sentence that is true.

A.
4 • (6 – 2) + 5 < 9 + 3 • 4

B.
4 • (6 – 2) + 5 = 9 + 3 • 4

C.
4 • (6 – 2) + 5 > 9 + 3 • 4

Answer 14

this is the last one i think

Answer 15

You need to solve each one...

Answer 16

Ill save u time.
A.
4(6−2)+5<9+(3)(4)
21≮21
False
So we know its not A

Answer 17

c

Answer 18

(6-2)+5

Answer 19

C is false

Answer 20

That leaves us with B.