$800 at 5 1/2% annual interest, compounded semiannually, for 7 years

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

Write the expression 7x^3-28xy^2 as the product of 3 factors

Solve the equation. 2x - 8(x+1)= 6(2x - 3)