In a sample of 30 coin flips, heads came up 6 times. what is the sample proportion for heads?
a. 0.6
b. 0.5
c. 0.1
d. 0.2

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Graph the following piecewise function.