If 3 shirts cost $90, find the cost of 4 shirts

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?