Find the output, y, when the input, x, is -4

y= ?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: