For triangle abc angle a = 35 angle b = 55 and side c = 70 find side b to the nearest whole number

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?