Tim counted out 12 nails to fix his wagon. He used 1/2 of them? ASAP PLZZ

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?