The product of 5 and the sum of 12 and a certain number is 10. What is the number 4

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible