If the average salary for a college instructor in 1925 was $2300 and that average salary increased each year by $180, in what year was the average salary for a college instructor $10,040?

The total number of shaded triangles in the first 10 Sierpinski triangles is

The perimeter of a rectangle is 90 inches. The length is 8 times the width. What is the length of the diagonal?

A sphere has a volume of 905 cubic inches. What is the diameter?

What is - 20 - 2|0| in evaluate absolute value expressions

Be honest teachers asked her which of these three expressions are equivalent to each other 9X - 3X - 4, 12X - 4, 5x + X - 4

Suppose that you have a pattern rule with an algebraic expression. a) What does the constant term tell you about the pattern? b) What does the numerical coefficient tell you about the pattern?

Is the function f (x) = ( - 7) ^ x an exponential function? If so, identify the base. If not, why not?

What two numbers multiply to get - 294 and add to get 7

What is the common difference for this arithmetic sequence 45,40,35,30,25, ...

It takes 40 units of maple sap to produce one unit of maple syrup. Jane and her family are bottling maple syrup in 20 oz. bottles. She notices that they add about 2 oz. of air every time they fill a bottle, to avoid overfill.