What is the standard form of x^2+y^2+6x-8y-10=0

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

If you could answer these your a life saver

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