A50-foot ladder leans against a wall, as shown in the figure below. if the base of the ladder is 30 feet away from the wall, how tall is the wall? select one: a. 3 b. 4 c. 5 d. 40

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i