Answer:
I assume by standard you mean simplified. Anyways, the answer is -5h-2.
Step-by-step explanation:
3h-2(1+4h)
Solve inside the parenthesis.
3h-2+(-8h)
Simplify.
-5h-2
Answer:
135 inches
Step-by-step explanation:
A scale factor is the size of the object on paper.
So to get the actual size we must multiply by the reciprocal of the scale factor.
Dividing by 1/20 is the same as multiplying by 20.
Since the scale is 6.75 (I converted 3/4 to 0.75), we must multiply by 20 to get our original height.
So 6.75 * 20 = 135 inches
Answer:
13 years old
Step-by-step explanation: 1 less than 9 is 8. you add five to 8 to get current age
Answer: -4h + 13
Step-by-step explanation:
(5h + 7) - ( 9h -6) is the same as (5h -9h) ( 7 + 6)
solve for each
5h - 9h = -4h
7+ 6 = 13
-4h + 13