Why is y=ax + b called a linear equation?

The sum of two numbers is 90 their difference is 34what are the two numbers

How to divide 32 by 6.40

Is 2 pounds of candy for 5 dollars proportional

12. A model car has a scale of 1:25. The length of the model when built is 9.6 in. What is the length of the actual car? 25 feet 20 inches 20 feet 19.2 feet

Abie makes $39,000 a year and spends about $250 each month on entertainment. what fraction of her annual income is spent on entertainment?

1.) A kitten eats 1/4 cup of cat food. Another cat in the same household eats 6 times as much. How much food does the cat eat? 2.) Ken used a piece of lumber to build a bookshelf.

Match the meaning of each of the following expressions. 1. the sum of n and five x - (8 + 2) 2. five subtracted from n x - 8 3. eight added to x n + 5 4. eight subtracted from x 5 - n 5. eight minus x x + (5 + 7) 6. five minus n x + (8 - 2) 7.

Which expresses the given inequality in interval notation? x < - 3

Which is the correct equation for the table below? -2 10 -4 4 -10 -14

There is a population of 50,000 bacteria in a colony. If the number of bacteria doubles every 120 hours, what will the population be 240 hours from now?