Answer:
15
Step-by-step explanation:
Hypotenuse: 17ft long
Height: 8ft long
17^2 = 8^2 + b^2
b^2 = 17^2 - 8^2
b = √225
b = 15
The slope intercept form of

is:

I hope this helps c:
Answer:
27 purple marbles
Step-by-step explanation:
- purple marbles- p
- blue marbles- b
Equations based on the given:
p= 2b +5 and p+b= 38
- 2b+5+b= 38 ⇒ 3b+5= 38 ⇒ 3b= 33 ⇒ b= 11