What is the probability of guessing the correct answer to a true false question

A stack of blocks is 15.2 inches tall. if there are 10 blocks stacked one on top of each other how tall is each block?

Which expression is equivalent to 2 (3 - x) - 12 + 4x?

Li mixes 3 liters of red paint with 8 liters of white paint to get pink. How many units of red paint should she mix with 24 liters of white paint to get the same pink shade?

Solve the equation 3x + 4y = 16 for x.

Complete the statement using always, sometimes, or never. A quadrilateral is a trapezoid. a.) always b.) sometimes c.) never

Explain how you would estimate to subtract 189 from 643

The diagonal of a TV is 26 inches long. Assuming that this diagonal forms a pair of 30-60-90 right triangles, what are the exact length and width of the TV? A. 13 inches by 13√3 B. 13√2 inches by 13√2 inches C. 52√2 inches by 52√2 inches D.

Y = 1/2x^2 + 2x (4, 14)

Exclude leap years from the following calculations. (a) Compute the probability that a randomly selected person does not have a birthday on March 14.

Suppose the cost of a unit failure is $200 and we need to maintain production for 3,000 hours. How much (in $) can we save if we improve the mean time between failures (mtbf) from 6 hours to 8 hours? Round the answer to two decimal places. G