a 16 foot ladder leans against a building. if the angle the ladder makes with the ground is 68°, how high up the building does the ladder read?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

What is the value of f(x) = 2.2 for f(-2)?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square