A song starts with a note tuned to 220 Hz. What is the frequency of the perfect fourth above the given note?

What is solution for k - (-3) <=[less than or equal to] 4

Solve for s 0.5s+1=17+4.5s

Ruben put an empty cup underneath a leaking faucet. After 1 1/2 hours, Ruben collected 1/4 cup of water. What is the rate, in cups per hour, at which the water is leaking from the faucet?

What is the solution of the equation 3x - 7 = 4x? -7 -1 1 7

Which number is greater? explain -√2 or - 2

Brian paid $28 for 13 gallons of gasoline. To the nearest cent, how much did one gallon of gasoline cost?

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level, w, after d days. In how many days will the water level be 26 feet?

What is 56% as a decimal and a friction

Slope intercept form of 5x-2y=6

To get your bearings on the horizontal time axis of this plot, it is useful to calculate the age of the universe in seconds today.