I purchase a new gaming system on opening night. Since I am one of the first 100 customers to purchase the system, the store gives me a 20% discount of the regular cost. If I pay $500 for the gaming system at the discounted price, what is the regular cost of the gaming system? I WILL GIVE BRAINLIEST ​

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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.

Simplify the expression 10/11(22z) + (a+5) -1