Help me, please

-31.5 = -6b, b = ?

Will give brainliest what is the value of x? enter your answer in the box.

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.