Answer:
w=4
Step-by-step explanation:
18+3w=30
3w=30-18
3w=12
w=4
Answer:
a 80
Step-by-step explanation:
7200 / 90 = 80
Step-by-step explanation:
(x−1)²−9=0
(x-1)²= 9
x-1 = ±√9
x-1 = ±3
x = 1-3=-2 or x=1+3=4
the solution = {-2,4}
Answer:
it's rational for the second part it is the 1st option and the 4th option
Step-by-step explanation:
Answer:
the answer is -8 or 7
Step-by-step explanation:
Sorry im not good w negatives...
