x = 25
step-by-step explanation:
a^2+b^2=c^2
7^2+24^2=c^2
49+576=625
sqrt625=25
x=25
y = 5x + 17
a perpendicular line will be the opposite reciprocal slope of the given equation. the slope given is -1/5 so the opposite reciprocal is 5
find b:
7 = 5 (-2) + b
7 = -10 + b
17 = b
write equation
you already gave the answer
94
average the numbers and use a variable to figure out the minimum to get a 90.
(79+94+91+92+x)/5=90
x = 94