A student bought a book for $7 and a pen. The total cost was $9. Which of the following equations can be used to find the cost of the pen?

A criminologist developed a test to measure recidivism, where low scores indicated a lower probability of repeating the undesirable behavior. The test is normed so that it has a mean of 140 and a standard deviation of 40. a.

The trees 4 feet tall is the tree continues to grow 2 feet each years after how many years will the trees by 26 feet tall

What is the scale factor of a cube with a volume of 729 to a cube with a volume of 6859?

The class sizes of the introductory psychology courses at a college are shown below 121,134,106,93,149,130,119,128 the college adds a new honors introductory psychology course with 45 student.

Which is the completely factored form of 4x^3+10x^2-6x

Phoung is rolling a standard 1-6 number cube and flipping a coin. What is the probability that the cube will land on 4 and the coming will land heads up?

The sum of w and 220 is the same as 282. Write this in a sentence

There are 323232 forwards and 808080 guards in Leo's basketball league. Leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards.

Olivia has 42 muffins. She put the same number of muffins into each of 6 baskets. How many muffins does Olivia put in each basket?

3.5 repeating as a decimal