Which of the following is not equivalent to the formula for the circumference of a circle, c = 2pir ?

a) c over r equals 2 times pi

b) c over pi equals 2 times r

c) c over the quantity of r times pi equals 2

d) cr = 2pi

Which of these triangle pairs can be mapped to each other using two reflections?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next