If a sprinkler waters 1 over 18 of a lawn in 1 over 3 of an hour, how much time will it take to water the entire lawn? A) 6 hours

B) 9 hours

C) 18 hours

D) 21 hours

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height