it cost sam $9.30 to purchase a duck float the price up by 50% how much does Sam charge for a duck float

Which formula gives the area of a triangle? a=1/2(b+h)

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4