Fast food restaurants pride themselves in being able to fill orders quickly. a study was done at a local fast food restaurant to determine how long it took customers to receive their order at the drive thru. it was discovered that the time it takes for orders to be filled is exponentially distributed with a mean of 1.5 minutes. what is the standard deviation of this distribution?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]