What is the area of the triangular floor space enclosed by the glass tetrahedron? round to the nearest tenth of a square foot. enter only the number. (hint: look at the green triangle to find the base, b, of each green triangle. because b is also the hypotenuse of the right triangle formed by dividing the base triangle into half, you can use this and heron’s formula for the area of the triangle.)

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Answer question above and explain each step : )

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