A 25 foot ladder leans against a building. The ladder's base is 13.5 feet from the building. Find the angle of elevation formed by the ladder and the ground. (Round to the nearest tenth.)

A-6=8 - (9+a) what is the answer to this equation?

Joe is riding his bicycle. He rides 62.5 kilometers in 5 hours. What is his speed?

How many more ways can 10 juniors running for the positions of president, vice president, secretary, treasurer be selected when compared to 12 sophomores running for 5 identical positions of class representative's?

Priscilla can make 2 bracelets in 13 minutes. At this rate, how many bracelets can she make in 39 minutes?

1.5 is less than y plus 1

The angular velocity of a fan blade is 4.6 radians per second. Approximately how many revolutions does the fan blade make in 2.4 minutes? State your answer, rounded to the nearest tenth of a revolution.

What is 2 plus 2 plus 3 plus 6 plus 5

40 dogs every 5 hours how may per hour

A box contains 9 green balls, 16 red balls, 9 white balls, and 6 pink balls. What is the probability of drawing a pink ball out of the box? A) 1/16 B) 3/20 C) 2/5 D) 7/8

Evaluate this expression: |-2.3|