Tanya is buying a skateboard for $42.38, a helmet for $17.60, and a set of elbows an nee pads for $12.89. She estimates the total cost to be about $71. Is her estimates higher or lower than her actual cost? Explain

What is the fraction of 9 of 24

Solve r/n + t = 4v for r

Which is the correct interpretation of the x-intercepts of the function?

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition x + y = 7 2x + y= Multiply the first equation by - 1 and add the equations together.

What is the circle circumference in terms of pi with a diameter of 9.4 inches

How many 3 inch cubes will fit in 8 ft container

The price of a vase was increased by 4% to £22. What was the price before the increase? Give your answer to the nearest penny.

Sarah had to limit her fat intake to 25% of total calories if the fat intake is 550 calories what is the total number of calories she consumed for the day

Two cars start at the same time, but travel in opposite directions. One car's average speed is 80 miles per hour (mph). At the end of 4 hours, the two cars are 520 miles apart. Find the average speed in mph of the other car. (Enter an exact number.

Bao can eat 12 chicken wings in 3 minutes. She eats the chicken wings at a constant rate.