the height of water at the mouth of a river varies during the tide cycle. the time in hours since midnight and the height in feet are related by the equation: h=15+8cos(2π(t-3)/12 what is the maximum water height?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset