If 104 people attend a concert and tickets for adults cost $3.75 while tickets for children cost $1.5 and total receipts for the concert was $252.75, how many of each went to the concert?

Ineed asap graph the system of equations 2x+y=5; 14+7y=35

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.