In one hour the temperature in a city fell from 4.3°C to −3.2°C. How many degrees celsius did the temperature fall during the one hour period? (Enter an exact number.)

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Using elimination, what is -4x+2y=-12 4x+8y=-24

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25