The surface area of a rectangular box is given by the polynomial 2HL + 2LW + 2HW and is measured in square units.
A rectangular box is to be constructed to hold a shipping material. The
box is to have dimensions of 7 inches by 4 inches by 9 inches. Find
the surface area of the box.

Find the value of the cosine for angle a

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

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?