Sharon had a bag of 12 marbels. she gave 8 of the marbles to don. which fractional part of the marbels did sharon have left

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if