Define a variable and write an expression for the phrase the quotient of 2 times a number and 19

Find z when x=7 and y=6

Lena has 2 boxes of buttons A and B. In total are 1.200 buttons. She move 360 buttons from box A to B. There are now 3 times as many buttons in box B than box A. Homany buttons were in box A at the start?

Assume that varies directly with. If y = 15 when x = 3, findy when x = 1.

The square root of what number is 12 less than half of that number

A quadrilateral has angle measures of 120°, 37°, and 48°. What is the measure of the fourth angle?

In a box of tickets, there are 50 blue tickets and 15 red tickets. after a certain number of red tickets are added to the box, the probability of randomly choosing a red ticket is 2/3. how many red tickets were added to the box?

The perimeter of a rectangle is 68 feet. Find the dimensions of the rectangle if the ratio of the length to the width is 9:8.

What is 0.8 to the power of 2

500 decreased by 55% =

The table below shows the lengths and weights of six dolphins at an aquarium. Use the data from Pax and Snowflake to create a linear model that predicts the weight (y) of a dolphin given its length (X).