The data represents the numbers of hours 10students slept on sunday night. 6 6 7 7 7 8 8 8 8 9
are there any outliers explain the reasoning.

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.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827