how to slove 7 - w = 2.2

A pizza place sells pizzas for $7 each plus a $4 delivery charge per order. if pat orders 3 pizzas to be delivered, what will be his total cost?

A company usually sends 9 people to install a security system in an office building, and they do it in about 96 minutes. Today, they have only three people to do the same size job. How much time should be scheduled to complete the job?

Jacob has 17 toy cars. This is 1/8 as many cars as Dan has. How many cars do dan and Jacob have together?

Erik buys 2.5 pounds of cashews. If each pound of cashews cost $7.50, how much will he pay for the cashews

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 4. What sample mean would have a confidence level of 95% or a 2.5% margin of error? 32 34 36 38

What are the degrees a trapezoid has?

The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continued

Simplify 12 + 3 (2x - 3) + 4. A. 6x - 3 B. 6x + 7 C. 6x + 13

Find the slope of the line that passes through (-1,-4) and (3, 5).

Which number line can be used to find the distance between (-1, 2) and (-5, 2) ?