Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters. A. 225

B. 140

C. 84

D. 81

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old

The minimum height for riding on the super screaming spinner at the theme park is 52 inches. which of the following expressions shows the height to ride?

Aline with a slope of -7 passes through the points (u,0) and (8,-7) what is the value of u?