a ladder 8 meterds long leans against the wall of a building. if the foot of the ladder maked an angle of 68 degrees with the ground, how far is the base of the ladder from the wall?

In the rectangle below ac=30 units what is de

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Change negative exponents to positive, then solve