No,Yes,No,Yes (the answers in order)
(original - new)/original = discount
65-42.25)/65 = discount
22.75/65= discount
.35 = discount
multiply by 100 to put in percent form
35 percent
Total number of marbles : 12
amount of blue marbles : 4
4/12 = 1/3 or 33%
the probability of choosing a blue marble 1/3 or 33%
Answer:
(-2, 1).
Step-by-step explanation:
When f(x) = 0
4 + 2x = 0
2x = -4
x = -2.
Ehen f(x) = 6
4 + 2x = 6
2x = 6-4 = 2
x = 1.