Aladder is placed 30 inches from a wall. it touches the wall at a height of 50 inches from the ground.
the angle made by the ladder with the ground is
degrees, and the length of the ladder is
inches.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)