Square ABCD has sides of length 15 ft. If the remaining part of the shape is a semicircle, what is the perimeter around the entire shape, to the nearest hundred? A) 53.41 ft
B) 58.27 ft
C) 61.28 ft
D) 68.55 ft

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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%)

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.