Which statement describes the cost to park as a unit price? Ari paid 1 quarter to park for 15 minutes at a parking meter.
Brianna paid 30 cents to park for 30 minutes at a parking meter.
Caesar paid 12 dollars to park for 1 day in the airport parking lot.
Deanna paid 70 dollars to park for 7 days in a city parking lot.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.