A TRIANGLE has a base of 20 inches and height of 9 inches. What is its area? (a = 1/2bh)

Find percent notation for 0.008 0.008=

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?