Answer:
Step-by-step explanation:
81 = m/9
Divide both sides by 9
9 = m
h ÷ 3 = 12
h = 12/3 = 4
In this way you have to solve the other questions
Answer:
x>22
Step-by-step explanation:
Answer: -4/1 = 1/-4
= 1/-4
Just flip the fraction:)
Step-by-step explanation:
The expression for the perimeter would be
2(x) + 2(2x+7)
which can be simplified to 2x+4x+14
which equals 6x+14
Answer:
9
Step-by-step explanation:
cross multiply 7/63 by 1/x
so, multiply 7 by x and 63 by 1
you get 63=7x
divide by 7 on both sides and you get 9
