∠A and \angle B∠B are complementary angles. If m\angle A=(4x+6)^{\circ}∠A=(4x+6) and m\angle B=(4x-4)^{\circ}∠B=(4x−4)
, then find the measure of \angle A∠A.

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

The value √10 and √15 are plotted on the number line

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)