Answer:

Step-by-step explanation:
To solve this operation we need to find the common multiple of both denominators and solve for a.

Thus, the solution is 7(a -1) / (a+2)(a-5)
Answer:
B. 3/11
Step-by-step explanation:
the division symbol: ÷ essentially is the same as /
if you replace ÷ with / its the same thing.
Answer:
1/4
Step-by-step explanation:
Since there is 4 colors and four rooms there is a 1/4 possibility that she paints the room green.
0789 is the smallest
9870 is the largest
Answer:
117/78
Step-by-step explanation:
(-50-67)/(-12-56)=-117/-78=117/78