How much will the window cost?

$672

Step-by-step explanation:

First find the area so:

5*4=20ft

2^2*3.14=12.56ft

20+12.56=32.56ft

Second find the price for the area:

32.56*12=$672

Hopefully it's correct!

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d