What is the surface area of this square pyramid?

round your answer to the nearest tenth, if necessary.

a. 43.8yd^2
b. 66.6yd^2
c. 105 yd^2
d. 171.6^2

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

What is (28 + 7 + 6 + 3) x 1/2 show your work

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