Seven more than 3 times a number is 31. find the number

Equation for the calculation double 2 and then add 5

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)