George is planning a shopping trip to purchase vegetable oil. 20 oz. vegetable oil costs $2.47, 32 oz. vegetable oil costs $2.99 and 40 oz. costs $3.79. a.) what is the price unit of each ounce? b.) which bottle is best to purchase

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The longer leg of a 30-60-90 trangle is 18

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.