Is 9720 a perfect cube ? If not find the smallest number by which it should be divided to get a perfect cube

Of four points are collinear, they are also coplanar

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

3x + 4y = 5 x- 3y = -7 solve by substitution