How do I figure out thirty-one minus an unknown number minus twelve equals six?

What word describes the relationship between 2/3 and 1.5? Multiplicative Complementary Fractal Reciprocal

Write and factor another problem that is a quadratic experssion check your soultions when done by mulitiplying after you factor

Ingrid has $27 to buy oil paints for her painting class. Each tube of paint costs $4. How many tubes can she buy? Do not include units in your answer.

If 2x2 + 8y = 121.5 and x2 - 8y = 121.5, then x =

Is the time you take to go the library a function of the distance to the library?

4x^2 + 3 (3 - 3x^2)

In a boat race, Maggi and Jagriti start off together. Maggi rowed the boat at 4 km/h and Jagriti rowed at a speed of 6 km/h. By how many kilometres was Maggi lagging behind Jagriti after 2 hours.

Stephanie is registering her son for swim lessons. There is a one-time $45 registration fee plus a $20 fee per lesson. Stephanie paid a total of $225. For how many lessons did Stephanie register?

What is 3 fiffths square 3 equal?

Wilbur has a balance of $3740 on his credit card, which he plans to pay off by making a payment of the same amount each month. Which of these monthly amounts will allow Wilbur to pay off his balance the fastest?