Archimedes drained the water in his tub. the amount of water left in the tub (in liters) as a function of time (in minutes) is graphed. How long did it take each time 18 liters of water were drained

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?