DASHER spent half as much as prancer did on holiday presents this year and cupid spent 3 times more than DASHER . If the total spent between the three of them was $720, how much did they each spend on gifts

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Use the distance formula to find the distance between (-3,5) and (3,1)