Simplify:

-2/5+4/3

Please help me thx

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Solve for x where 0 equation: cot^2x+2cotx+1=0