You have 250 envelopes, part will be filled with $10 coupons and the rest will be filled with $15 coupons. if the total coupons are worth $3150 how many of each type will you have ?

Pick the description of a geometric object that best matches the real world object box for a deck of card

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas