Answer:
D
Step-by-step explanation:
10/7 = 1.4285
9/y = 1.4285
Multiply both sides by y.
9 = 1.4285y
Divide both sides by y.
6.3 = y
-60
6 * (-10) = -60
-3x - 7
-3x - 6 - 1 = -3x - 7
a = number of successful events
b = total number of events.
