The table shows data from local day-care centers, representing the number of children in attendance (x) and daily food costs in dollars.
Which regression equation correctly models the data?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

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.

Can someone me with the property questions for 12 13 and 14 plz