Which of the following solutions solves the system?
4x + 3y = 19
7x - 6y = -23

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.