Answer:
5 marbles are black.
Step-by-step explanation:
7-2=5
the answer is x= 4
AB and CD are the same length
8x-1 =31
8x=32
x=4
Answer:
the factor for x^2 + 5x - 24 is
(x + 8)
Step-by-step explanation:
Answer:
y = 200x + 7000
Step-by-step explanation:
950x-750x=200x
27,000-20,000=7000
hope this helps
Answer:
Step-by-step explanation:
12x - 2 + 20x - 10 = 180
32x - 12 = 180
32x = 192
x = 6
12*6 - 2
72 - 2 = 70
the solution is b