Can you help me, please!!

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

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?