It takes Taylor 18 hours longer to complete an inventory report than it takes Marcus. If they work together, it takes them 12 hours. How many hours would it take Marcus if he worked alone?

How do you find the circumfrance of a circle?

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.

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?