What is the next number in the following sequence, 1, 11, 21, 1211, 111221, 312211, 13112221

Pythagorean stack how long is this side

What is the value of the expression below? 2 [32 - (4 - 1) ] Enter your answer in the box.

Which is a zero of the quadratic function f (x) = 4x2 + 24x + 11?

What is 3 1/5 + 2 3/4

You purchased 150 feet of chain that normally sells for $0.15 per inch. You were charged $22.50 for the sale. Was the price correct?

A bag contains 5 blue marbles, and 3red marbles. A marble is randomly drawn from the bag. The probability of not drawing a black marble is. The probability of drawing a red marble is

If tan (theta) = 3/4 and theta is an acute angle, find cos (theta)

Which rational number equals 0.5?

On a piece of paper, use a protractor and a ruler to construct two equilateral triangles: one with a side length of 4 inches and one with a side length of 5 inches. Which statement is true about the two triangles?

Evaluate 12: (-6) (3) + (-2)