Answer:
r = 15 1/6
Step-by-step explanation:
change every thing to have a 6 in the denominator
31/6 = 5 1/6
60/6 = 10
add the 31/6 to both sides to get the r by itself
60/6 + 31/6 = 91/6
r = 15 1/6
Answer:
130 expected hits
Step-by-step explanation:
520 attempts times 0.25 is 130
-3 + 8i is in quadrant II
4i is on the vertical axis
6 is on the horizontal axis
5 - 2i is in the quadrant IV