Lamont has purchased twenty trading cards and wants to have at least fifteen trading cards write and solve an inequality to find the number of trading cards lamont needs. select all of the true statements

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15