6.) Which of the following devices used to determine the measure of an angle in degrees?

a. straightedge
b. abacus
c. compass
d. protractor

7.) A swimming pool in a park is 20 yd wide, 30 yd long, and 4 yd deep. What is the capacity of the pool?

a. 2,400 yd3
b. 800 yd3
c. 120 yd3
d. 24,000 yd3​