How do i round 35.42 to the nearest dollar

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge