To find the sum of an infinite geometric series having ratios with an absolute value less than one, use the formula, S=a11−r, where a1 is the first term and r is the common ratio.
Answer:
w = 
Step-by-step explanation:
p = 2l + 2w Subtract 2l from both sides of the equation
p - 2l = 2p Divide both sides by 2
= w
Answer:
-1
Step-by-step explanation:
1 cup would be the answer
You FOIL
9x^2-15x+21x-35
Combine like terms
9x^2 + 6x - 35