9 multiplied by 9 to the power of 2 equals

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41