Answer:
20x²+180x + 405
Step-by-step explanation:
Follow PEMDAS to know what you do first
square (2x + 9) by foiling
(2x+9) (2x + 9)
= 4x²+ 36x + 81
Multiply by 5
20x²+180x + 405
Answer:
$4.25
Step-by-step explanation:
4 quarters is 1 dollar
1 nickel is 5 cent
14 divided by 4 = 3.5
3.5 + 5 times 5 = $4.25
Here are 3 inequalities:
-6 < 7
7 > -6
-6 ≠ 7
Answer:
81
Step-by-step explanation:
Sorry this question does not sense..... 81
is evaluated
maybe I don't understand the terminology