Identify the like terms in the expression.
-3x2 + 3x - x2 - 2+6x
A. -3x and -x?; -3x2 and 6x
B. 3x2 and 72; -3x and -6x
C. 3x and x2; 3x2 and 6x
D. 18332 and _x2: 3x and 6x

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Find the slope of the line passing through a pair of points