Question

Help needed
http://prntscr.com/11s50n

Answer 1

its D

Answer 2

yes

Answer 3

http://prntscr.com/11s555

Answer 4

its C

Answer 5

yes

Answer 6

Evaluate the expression for the given value of the variable(s).

-x2 - 4x; x = –3

A. 3

B. –1

C. 11

D. –17

Answer 7

Its A

Answer 8

yes

Answer 9

\(-(-3)^2 - 4 (-3) = -9 + 12 = \boxed{3}\)
Yes

Answer 10

http://prntscr.com/11s5lh

Answer 11

its B

Answer 12

http://prntscr.com/11s5p7

Answer 13

no, it's A

Answer 14

1/2 is 2.5/5 which is more than 2/5

Answer 15

http://prntscr.com/11s5p7

Answer 16

its C

Answer 17

that doesn't look right... but I haven't done that kind of problem in a while

Answer 18

yeah, I was wrong it is C like you said at first

Answer 19

So its c

Answer 20

yes

Answer 21

Name the property of real numbers illustrated by the equation.

-4(x + 3) = -4x - 12

A. Commutative Property of Addition

B. Associative Property of Addition

C. Distributive Property

D. Associative Property of Multiplication

Answer 22

Its A

Answer 23

it's C

Answer 24

how

Answer 25

what's happening here is you are distributing the multiplication by -4

Answer 26

http://www.aaamath.com/pro74b-propertiesmult.html

Answer 27

Use an algebraic equation to solve the problem.

The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangle is 90 cm?

A. 10.5 cm, 11.5 cm, and 12.5 cm

B. 22.5 cm, 30 cm, and 37.5 cm

C. 7.5 cm, 11.5 cm, and 32.1 cm

D. 19.3 cm, 25.7 cm, and 32.1 cm

Answer 28

Its C

Answer 29

the 3 don't add up to 90...

Answer 30

divide 90 by 12, multiply by 3 to get the first side, 4 to get the second side, and 5 to get the third side

Answer 31

it's B

Answer 32

http://prntscr.com/11s6rc
Its A

Answer 33

yes