Please Help Quick ASAP Hurry This is Pre-Algebra 1 i need the answer now please ASAP Which Word Best describes the numbers 10 and -10?
A. Opposites
B. Coordinate
C. Absolute Value
D. Expression

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

Can someone me with this problem . show your work .

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1