How is 45 minus negative 40=85

Find the least common denominator of x-2/x^2-x and 3/x^2-1

Is quarts more or pints

Renee is in charge of the school carnival for 380 students. She has 47 boxes of prizes. Each box has 22 prizes. She wants to make sure she has enough prizes for each student to win 2 prizes.

If 49x^2+28x-10 is rewritten as p2 + 4p - 10, what is p in terms of x?

Which statement about the function is true? The function is positive for all real values of x where x>-4,. The function is negative for all real values of x where - 6 < x < - 2. The function is positive for all real values of x where x - 3.

Henry wants to earn more than $68 trimming trees. He charges $6 per hour and pays $4 in equipment fees. What are the possible number of hours Henry could trim trees? Use t for the number of hours. Write your answer as an inequality solved for t.

Factor completely: x^3+8x^2+7x

Taj has a choice of water, iced tea, or lemonade; with lemon or lime twist; served in a small or large glass.

Does the equation y = x/2 represent a proportional relationship

Avery has 2 blue marbles. one sixth of avery's marbles are blue. how many marbles does avery have mama 2 6 8 12