1. 15 (-42x + 40) = 15 (-8x + 244) 2. 2x - 3y = 8 solve for y.

3. Simplify the following expression. -2(4x - 3y + 7) + 5(-x + 3) - (4x - 3y - 8)

4. Identify the terms, like terms, coefficients, and constant terms. Then simplify the expression.

13 + 2a - 7b + 11 - 3a + 11b - 24 - a

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

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

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?