Two cars leave from two different cities 50 miles apart on a straight highway. If one car is going at 50 mph and toward the other car which is going 60 mph, at what time will they meet?

Pls super important solve the botton one

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?