Lena is selling hamburgers. each hamburger comes with 3 pickles. which equation shows the number of pickles lena will serve if she sells g hamburgers? (use p to represent the total number of pickles served, and g to represent the number of hamburgers sold.)
a. p = 3 + g
b. p = 3/g
c. p = 3 – g
d. p = 3g

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.