Lamar estimates that the total value of all 5 containers of nickels is approximately $250. Which statement best explains why Lamar’s estimate is likely an overestimate or an underestimate?

(write as unit rate) 12 meters in 2.8 seconds =

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?