The formula for the circumference c of a circle with radius r is c = 2πr. which of the following is a formula for π (pi) of the circle in terms of the circumference and radius?

a. pi=c+2r
b: c-2r
c: pi=2r/c
d: pi/c/2r

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle