Calculate the standard deviation of the following data set collected from a sample: 100, 100, 200, 300, 300.

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.