Julie bought a circular rug for her room with a diameter of 8 feet. If her
rectangular room is 13 feet long and 14 feet wide, how much floor space is not
covered by the rug? Round your answer to the nearest tenth.

9/10 divide by -3/15 as a mixed number

Simplify this expression. 8x 16(x + y)

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%)