Answer:
10.63.
Step-by-step explanation:
First we need to understand pythagorean theorem that is,
Hypotenuse^2=perpendicular^2+base^2.
=7^2+8^2.
=49+64
=113.
Hypotenuse^2=113.
Square root both sides.
Hypotenuse=10.63.
Answer: (-8, -4)
Step-by-step explanation:
It's the first one. If you need any help with graphs, I suggest going on desmos.com
3 fourths of an hour is : (3/4)
(3/4)*4=3 hours
hope this helps!
