7 2/3 + (-5 1/2) + 8 3/4

if you need , reply with more info. u.

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )