4 blue, 3 red
twice as many black pens as blue pens.....black pens = 2(4) = 8
so there are : (4 + 3 + 8) = 15 total pens
fraction of blue pens to total pens = 4/15
Answer:
112
Step-by-step explanation:
76->88->100->112
Answer:
2x= 3x-7
-x=-7
x=7
so, the first option
Step-by-step explanation:
Answer:
x = -5, x = -6
Step-by-step explanation:
After canceling common terms from numerator and denominator, there are two factors remaining in the denominator that can become zero. The vertical asymptotes are at those values of x.

The denominator will be zero when ...
x + 5 = 0 . . . . at x = -5
x + 6 = 0 . . . . at x = -6