Find the x-intercepts of the parabola with
vertex (4,-20) and y-intercept (0,-4).
Write your answer in this form: (x1,71), (X2,72).
If necessary, round to the nearest hundredth.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

It is 5.8 you add all of the up to equat 180 then solve the equation