To use your debit card at a pay-at-the-pump system, you have to enter a four-digit personal identification number (PIN). How many different possible PINs can be formed on the 10-digit keypad? (Repetition is not allowed.)

A hatchling turtle has a shell with a 1 inch diameter.

Solve the equation for yy. Leave your answer in terms of π. π=7x-2y

Which group contains numbers that all round most closely to 0? 1/5, 2/9, 0/4 3/5, 2/4, 4/7 3/4, 5/6, 7/6 1/2, 2/7, 9/10

Henry is painting a house. He placed a 24 foot ladder 15 feet away from the base of the house so that it leaned up against the house. Enter the measure of the angle that is formed between the ladder and the ground, rounded to the nearest tenth.

There 7052 boys and adults at carnival. There are 756 fewer girls than adults. There is an equal number of girls and boys. How many children are there at the carnival.

How to simplify - 4=-2/3x

True of false is 9.1 largger than √82

Elene and abbi are in a race. Elene can run 3 meters per second and abbi can run 2 meters per second. Elene gives abbi a 10 meter head start. How long will it take for elene to catch abbi?

Given the cost function Upper C (x) and the revenue function Upper R (x) , find the number of units x that must be sold to break even. Upper C (x) equals15xplus24 comma 000 and Upper R (x) equals17x.

Find an equation of the circle with center at (-2,3) that is tangent to the y-axis in the form of (x-a) ^2 + (y-b) ^2=c where a, b, c are constants.