55. REASONING How many solutions does the equation ax2 + bx + c = 0 have when a and c have different
signs? Explain your reasoning.

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third