5y + 8 = -3y + 10 having a bit of trouble with this equation.

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

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

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?