Verify the identity.

tan (x + (pi/2)) = - cot x

A film start at quarter to eleven in the morning and lasts for 1hour and 25 minutes what time does it finsh

Luna is building a scale model of the empire state building for the youth center. the real empire state building is 1,250 feet high. if luna is making the model at a scale of 1 foot to 250 feet how tall will her model be

The scale on a map is 2 inches = 75 feet. On the map, a rectangular park is 8 inches long and 3 inches wide. What is the actual area of the park? A 1,800 square feet B 22,500 square feet C 33,750 square feet D 135,000 square feet

Two angles are supplementary if their sum is 180 degrees. One angle measures two times the measure of a smaller angle. If x represents the measure of the smaller angle and these two angles are supplementary, find the measure of each angle.

Model 4 + (-6) on the number line. -4 -5 -6 --10-9 -8 3 - 2 1 --7 0 4 7 1 2 5 3 6 9 8 10

Aria is going to a carnival that has games and rides. Each game costs $3.50 and each ride costs $5. Aria spent $42 altogether at the carnival and the number of rides she went on is 5 more than the number of games she played.

An urn contains 9 red balls and 8 green balls. if vince chooses 11 balls at random from the urn, what is the probability that he will select 5 red balls and 6 green balls?

What are the sum measurements for nonagon

A scuba diver starts at 85.6 meters below the surface and descends until he reaches 103.2 meters below sea level. How many meters did he descend?

Determine whether AB←→ and CD←→ - are parallel, perpendicular, or neither. A (-1, - 4), B (2, 11), C (1, 1), D (4, 10)