Answer:
y = 7x^2 + 42x + 64
Step-by-step explanation:
... i know standard form, you just distribute the exponent to the parenthesis amounts and put it in order, hope it helps
Answer:
Here's a rainbow of logic.
Step-by-step explanation:
The sum of the first n natural numbers and 0=
n*(n+1)/2
Step-by-step explanation:
Let the width be x feet.
Therefore, length = 2x - 10
Perimeter of rectangle = 52
