If f(x) = 3x ^2- 1 and g(x) = x+2, find (f +g)(x).

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}

Harry is at the depot in dover and has deliveries to make in edinburgh, glasgow and aberdeen. from dover which of the deliveries is the shortest distance?