Write an algebraic expression for each word expressions
1.the sum of 5 and a number x
2. 11 decreased by n
3. the quotient of -9 and y?
4. twice a number, minus 13

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

What is always true when two whole numbers are subtracted?