An 18-ft ladder is leaning against a building. The base of the ladder is 7 ft from the building. To the nearest tenth of a foot, how high up the building does the ladder reach?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Which of the functions below could have created this graph?

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.