13+39-2-10-6 power2 orders of operation

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)