Martha estimated there were 91 marbles in a jar for a contest. The actual number of marbles in the jar was 113. What was the percent error of Martha's estimation?

Alan and betty collected cans for recycling. Alan collected 154 cans. Betty collected 215 cans. How many cans did they collect?

If Cindy works 18 hours a week at 5.15 an hour how much did she make for the whole year?

Use the cubic model y=x3+x2+x to estimate the value of y when x = 10.

How do i solve this quadratic equation: -5x^2x+9=0 when it asked me to find the root

Suppose the volume of milk in a glass is 230 cubic cm. If 1 gallon of milk equals 3.79 liters, how many glasses of milk are in 1 gallon

Verona is solving the equation - 3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation? - 4 - 3 3 4

What is the index of the following Radical Square root of Q

A display of pens has 8 hooks. Each hook can hold 3 packages of pens and there are 3 pens in each package. If the display is completely full how many pens does it hold

Consider the experiment: flip a coin, then roll a number cube

When 24 is divided by the positive integer n, the remainder is 4?