What is the difference between 30% of 150 and 40% of 100

What is the volume of the sphere shown below with a radius of 3?

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

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab