When x equals 3 and Y equals 5, how much does the value of 3 x2 - 2 y exceed the value of 2x2-3y

In a week karry ran 9.3 miles and Tricia ran 4.4 miles. Use mental math to find how much farther Karry ran than Tricia. Explain how you determined the difference.

How do you find the area of a right triangle without the height?

A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defects. what is the probability that at least one of the 4 calculators in the sample is defective?

Compute $14A6_{12} - 5B9_{12}$. Give your answer as a base $12$ integer.

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If f (x) = 2x^1/2 and g (x) = x^2-9 what is the domain of g (x) / f (x)

comeplete the square to rewrite y=x^2-6x+14 in vertex form. then state whether the vertex is a maximum or minimum and give its coordinates.

write an equation for the following. each piece of candy costs 25 cents the price of h pieces of candy is $2.00

What is the denominator of the fraction 2over3

Mr and mrs baker place 12 inch rulers end to end along the entire length of a rug They each use 3 rulersAbout how many feet long is the rug?