⚠️WILL GIVE BRAINLIEST⚠️ MAKE SURE TO REDUCE AND PUT IN WHOLE NUMBER FORM!!! PLEASE HELP I REALLY NEED IT

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

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points