The image of the point (1, -2) after a rotation of -180° about the origin is
a. (-2,1)
b. (-1,2)
c. (1,2)
d. (2,-1)

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33