Given tan(a) = 2 and a is in quadrant i, find sin(2a) and find cos(2a). 0 1 1/2 4/5 0 1 1/2 -3/5

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250