If $3000 is deposited at the end of each half year in an account that earns 6.3% compounded semiannually, after how many half years will the account contain $160,000? (Round your answer Up to the nearest half year.)
20
x half years

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212