Answer:
13.2 ft
Step-by-step explanation:
x^2 + 8.2^2 = 15.5^2

x = 13.2 ft
9514 1404 393
Answer:
A. 40.7%
Step-by-step explanation:
The selling price for a $5 profit will be ...
$12.75 +5.00 = $17.75
From $29.95, this represents a change of ...
(17.75 -29.95)/29.95 × 100%
= -12.20/29.95 × 100% ≈ -40.7346%
The bookstore can offer a maximum discount of about 40.7%.
7.9168 x 10^8
790000000 + 1680000 = 791680000
Answer:

Step-by-step explanation:









Hope this helps!
Multiply top equation by -2, then add equations so b drops out....solve for a...plug in a to get b