A volcano erupted

before it erupted it was 2950m high

after it erupted it was 2550m high

by what percentage of it's original height did it decrease after the eruption?

Jorge deposited a check into his account for $100.47. Then, he withdrew $100.47 in cash in the same transaction. What is the net amount of Jorge's transaction?

How do i add 1 1/6 + 3/5

Evaluate the expression when x=6 3x + 7

A single person pays $4,500 in income taxes on a gross income of $30,000. How much would a single person be expected to pay if his gross income is $32,000? (Assume both incomes are in the same tax bracket.)

A plumber has a 50 -foot piece of PVC pipe. How many 7/5 foot pieces can be cut from the 50 dash foot piece?

Built in 1599, the Globe Theatre was home to William Shakespeare and his performing company, The Lord Chamberlain's Men. It was a circular amphitheater that stood 3-stories tall and had a diameter of 100 feet.

If 3 is added to a number and the sum is tripled , the result is 21 more than the number. find the number.

The lengths of the base of a trapezoid is 12ft and 5ft the height is 96 in what is the area of the trapezoid

The Ferrels save $150 each month for their next summer vacation. Write an equation that they can use to find s, their savings, after m months.

The sum of three consecutive integers is - 255. what are they?