If a/b = 4, a = 8c, and c = 9, what is the value of b?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?