Calculate the economic growth rate of this economy in 2021 using the following information: This country produces two goods A & B, and here are the price and quantity of these in two years 2020 and 2021 In 2020: P(A) =$10; Q(A) =5; P(B) = $8; Q(A) = 10

In 2021: P(A) =$12; Q(A) =6; P(A) = $10; Q(A) = 14

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

You own a nonunion company with 93 nonexempt employees. all of these employ- ees pack books into boxes for shipment to customers throughout the united states. because of wide differences in performance, you have decided to try performance appraisal, something never done before. until now, you have given every worker the same size increase. now you want to measure performance and reward the best performers with bigger increases. without any further information, which of the five types of appraisal formats do you think would be most appropriate? justify your answer. do you anticipate any complaints, or other comments, from employees after you implement your new system?

To travelers know what to expect researchers collect the prices of commodities