Anton bought a new sofa that was originally $700 and used a coupon for 30%. A) How much was the sale price of the sofa?
B) How much did he save?
:)

Solve 2x+y=3 x+y=5 in substitution method

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i