Figure abcd has vertices a(−4, 1), b(2, 1), c(2, −5), and d(−4, −3). what is the area of figure abcd?

24 square units

30 square units

36 square units

45 square units

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?

Acollege student takes out a $7500 loan from a bank. what will the balance of the loan be after one year(assuming the student has not made any payments yet) a. if bank charges 3.8% interest each year ?