An addition to a house increases the floor space from 250 m2 to 300 m2. By what percent was the original floor space increased? Show work for full marks.

Select the lengths in centimeters that would form a right triangle

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000