The input x of a function is centimeters the output y is the equivalent number of millimeters which rule represents the function?
a. y=0.01x
b. y=0.1x
c. y=10x
d. y=100x

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What percent of 18 is 24? and plz explain thx.