What does the triangle in front of the variable in the rate of change formula mean

Simplify the expression by combining like terms. 22+5m-4m+7n-8

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Samira bought 156 ounces of trail mix. She wants to divide the amount equally in 24 portions. How many ounces of trail mix will be in each portion?

A rectangle board is 1.2 meters long and 0.8 meters wide. What is the area of the board in millimeters

Find the mean and median 8,11,13,13,14,15,16,17,22,47 (btw is it 14.1 and/or 14.5)

An elephant weighs 15,000 pounds on Earth and 2,500 poundson the Moon. Assuming the weights are proportional whatpercent of its weight on Earth is its weight on the Moon? How does the percent describe how theweights are related?

What percent of 50 is 32?

Which solids have the same types of vertical cross sections through the base? a rectangular prism and a cylinder a rectangular prism and a cone a cylinder and a cone a cylinder and a pyramid

The biology class has a lab every 4 days. the earth science class has a lab every 3 days. On which day do both classes have lab

Suppose the left-most digit of two numbers are eight and three can you tell which number is greater explain