Theresa has two brothers, paul and steve, who are both the same height. paul says he is 16 inches shorter than 1 1/2 times theresa's height. steve says he's 6 inches shorter than 1 1/3 times theresa's height. if they're both right, how tall is theresa ?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)