What is the slope intercept form of 2x+y=4 (y=mx+b no extra words or comments)

Sara bought a pair of pants that were on sale for 30 percent off of the original price. if the original price of the pants was $29, what was the sales price of the pants?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.