The number 89 is decreased to 64. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?