Select all the numbers that are prime. 11

21

31

61

8 1

If f (x) = 2x-1 and g (x) = x^2-3x-2, find (f+g) (x)

An apartment building contains 12 units consisting ot one and two bedroom apartments that rent for $360 and $450 per month, respectively. When all the units are rented the total monthly rental is $4,950. What is the number of two bedroom apartments?

What is 2.348 rounded to the nearest thousand

Edwin pays a company $870 every 4 months to clean his company office. How many dollars does edwin pay for cleaning over a 19-month period.

What is the property of r*1=r

Increasing the average speed of a car by 12mph results in a 189 mile trip taking an hour less than before. What was the original speed of the car?

What equation. Does the model below represent

Theo owns a bicycle store and wants to attract customers by promoting his Ocean Bike Tour packages. He advertises a discount of $50 off the regular price for early registration

What percent is 12 out of 40

Two thirds of what number is equal to 18 plus 60% of 40?