2. Which expression is equivalent to 2x2 + (4x - 6x2)+9 - (6x + 3)? F. -4x2 – 2x + 12
G. -4x2 - 2x + 6
H-10x + 6
J. 18x + 12

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

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.