Answer:
x = 11.18
Step-by-step explanation:
According to the Pythagorean Theorem; (Leg1)² + (leg2)² = (Hypotenuse)²
10² + x² = 15²
100 + x² = 225
x² = 125
x = 
x = 11.18
Hope this helps!
Answer:
C. Surveys
Step-by-step explanation:
A primary source of information is the gathering of data that hasn't already been collected.
One of the best ways is to use a market research survey.
A, B, and D are wrong. They are all secondary sources — they provide information that someone else has generated.
Answer: where are the questions?
Step-by-step explanation:
If youre solving for k
k = 7 & k = -7
I'm guessing it is C because after you solve for n (you need to multiply the five over to isolate n), you get 20.