For which real numbers x and y is it true that x + y = x+y?

X^2-7y-7x+xy complete in factored form

Juan wants to earn more than $52 trimming trees. He charges $8 per hour and pays $4 in equipment fees. What are the possible numbers of hours Juan could trim trees? Use t for the number of hours. Write your answer as an inequality solved for t.

On a graph with y-values ranging from 1,013,020 to 9,618,115, what is a reasonable scale to use on a y-axis with 10 tick marks?

What would the prime factorization of 216 be in expanded form?

A television game show has 6 doors, of which the contestant must pick 2. Behind 2 of the doors ate expensive cars, and behind the other 4 doors are consolation prizes. The contestant get to keep the items behind the 2 doors she select.

What is the simplified expression for 4 power 4 multiplied by 4 power 3 over 4 power 5? 40 41 42 43

Rond to the nearest cents 0.5239 and 32,048,87219

Emma substitutes 3 for x in a one-variable linear equation and finds that it makes the equation true. She then substitutes 5 for x then in the same linear equation true. What can you conclude about the number of solutions of the equation

How do you calculate the circumference of a circle if you know the are

A spinner has 3 red spaces, 5 white spaces, and 1 black space. If the spinner is spun once, what is the theoretical probability of the spinner NOT stopping on red?