Explain why 17 tens. and 1 hundred 7 tens have the same value

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Find an equation for the linear function which has slope -10 and x-intercept -7

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet