The sum of two consecutive odd integers is 20 less than four times the smaller of the two integers. Which of the following equations could be used to find the smaller integer, n? (1) (n+1)+(n+3) = 20 - 4n
(2) n+(n+2) = 4n-20
(3)(n+3)+n=20-4n
(4) n+(n+2) = 4(n-20)

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

How do you determine if an ordered pair is a solution to a given equation?