Rewrite : 2/3 : 1/15
as a unit rate
A. 2:45
B. 5:1
C. 30:3
D. 10:1

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

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.

3/8 of the students in ms. mull’s class ride the bus. if there are 24 students in the class, how many students ride the bus?