Answer:
a=12
Step-by-step explanation:
7a+18=102
7a=102-18
7a=84
a=84/7
a=12 <----- answer
Answer:
therefore f(x)=100x-5-1 has an x-intercept
Option A
x+8=-3
x+8-8=-3-8
x=-11
Hope I didn't mess up for your sake!
Well what you would have to do is look for numbers that are easy to divide. For example, lets try 9000/10, and so the answer would be 900 and so if you divide the actually numbers, you could compare them, and see if 900 would be a reasonable.
