You are buying hamburgers and french fries for lunch for you and your friends. It costs $3 for a hamburger and $2 for a basket of fries. You have $18 to pay for lunch. Which linear equation represents the number of
items you can buy?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is