Mary spent a total of $292.04 for a party. She spent $200.21 on food, plus an additional $30.61 for each hour of the party. How long was the party?

Whats 3.428571429 into fraction ... ?

In January 2015, the price of gas was on average $2.95 per gallon. This was $1.38 cheaper than a year before. What is the percent of decrease in price? (Round to the nearest percent.)

Solve: |2x-1|<11 express the solution in interval notation

If (7^2) ^p equals 7^6 what is the value of P

Over which axis are the two ordered pairs (4,9) and (4,-9) reflected?

What does the equation y = x2 represent as a curve in the set of real numbers2?

The printer charges $4 per book to print it, and you spent $3500 on advertising. you sell the book for $15 a copy. How many copies must you sell so that your income from sales is greater than your total cost?

A roller coaster can accommodate 346 rider in 20 minutes. How many riders could ride in 90 minutes?

You have $12 to buy five goldfish for your new fish tank. Write and solve an inequality that represents the prices you can pay per fish.

Adam has 16.45 kg of flour, and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of scones. How much flour, on kg, will be in each batch of scomes?