over last 6 months, been spent a total of 105, and diondra spent a total of 170$. Ben and diondra each recieved x haircut's and y shampoo from the hair stylist

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function