Solve the following system of equations by the substitution method. 8x = 2y + 5
3x = y +7
What is the solution set?
A.[(-9/2, 412)
B.[(-412,-9/2)
C. zero cross

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

570, the answer is 570, hope it