A high-speed catamaran operates between city a and city b. the catamaran can make the 143-mile trip in about 2 and one half hours. find the catamaran speed for this trip.

7x+8y=-18, 4x-9y=-3 solve the system of equations

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5