Karen's mother picked 3 pears for every 7 apples she picked. if she picked a total of 170 items, how many were pears?

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

How many solutions does the nonlinear system of equations graphed below have?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)