Homework - Course Review (Day 3) From a point 12 feet from the base of a building, the angle of elevation from the ground to the top of the building is 70°. 1700 12 ft Which is closest to the height of the building?​

For what values of b will f(x)= logbx be a decreasing function? (16 )

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?