Answer: D.) 23%
Step-by-step explanation:
There is a 7/30 chance of selecting a green marble.
7/30 as a percent is 23.33333% and D is the closest answer.
(2x-1)(x+7) = 0
2x-1=0
2x =1
x = 1/2
x+7=0
x = -7
Answer:
x=-4
Step-by-step explanation:
1. subtract 16 from both sides which leaves you left with
x=-4