Step-by-step explanation:
Remember, math is a language
when you see per think fractions
15.2 miles per hour = 15.2 miles / 1 hour
since this is a fraction, Units can cancel just like numbers
To cancel miles and be left with hours rearrange the fraction
1 hour / 15.2 miles
then multiply by 72 miles

the miles cancel and youre left with hours!
so youd write and solve 72 / 15.2
Answer:
No solutions
Step-by-step explanation:
18-30w=20-10w-20w
18-30w=20-30w
18-20=30w-30w
-2 does not equal to 0
No solutions
Answer:
Monomial; Standard form: 18a^2b^2
Step-by-step explanation:

Answer:
[See Below]
Step-by-step explanation:
✦ Divide by -2 on each side:
✧ -2 / -2 = Cancels Out
✧ -6 / -2 = 3
So x would be 3, -3.
- |x| Just means absolute value. Which in short just means if it's negative it becomes positive.
~<em>Hope this helps Mate. If you need anything feel free to message me. </em>