Fran's mower rental charges a flat rate of $12.00 per day for mower rental plus $2.00 per hour the mower is being used. if the number of hours is represented by "h", which algebraic expression represents the overall rate for "h" hours of mower rental?

12h

12 + h

14h

12 + 2h

Based on what i know about mean, this doesn't add up.

What is the rotational symmetry of a wheel

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