Answer:
(5/15)(4/14) = 4/42 = 2/21
Step-by-step explanation:
Answer:
150
Step-by-step explanation:
15 fail
90 percent pass
15=10 percent
135=90 percent
150
Answer:
b
Step-by-step explanation:
its correct
Answer:
x^2+3x-4
Step-by-step explanation:
x * x - x + 4x - 4
x^2 - x + 4x - 4
x^2 + 3x - 4