Can someone explain this I'm so confused

1. 15 : 5 + 1/2 · (-4/7)

2. - 7/10 + (-5/12) - (1/4)

Gina rented a moon walk for 5 hours at total cost of $230. lori rented the same moon walk for 2 hours at a total cost of $125. the cost of renting is based upon flat set up fee? plus rental fee?

This Play Station 4 game console is on sale for $199. The ad says you save $100. What is the percentage off that this store is offering for this sale? Question 2 options: Skip Toolbars for.

Nico puts some cupcakes in the oven at 8:55 they need to bake for 25 minutes. When should he take them out the oven?

if Santa increased his deliveries from 27 percent to 33 percent in 1999, and then to 39 percent in 2000, and this same pattern continued, in what year would his performance have first exceed 50 percent? (Show Your Work)

A rectangular prism has a volume of 137.54ft the length is 2.3 feet and the height is 13 feet. Write and solve an equation to determine the width

Factor completely 6xy^3-24x^3y

Use the rules for multiplication by powers of 10 to calculate 3 times 100

How do you solve k in V = 3k/t

Whats 100 times 1,002 times 54

Kofi has 4 meters of fabric that he wants to cut into 5 equal-sized pieces. What is true about the length of each piece of the fabric?