If it cost $60 for 10 students to go on field trip and $70 for 20 student to go on field trip and it cost$80 for 30. How much would it cost for 40 students and 50 students to go on a field trip.

Which of the following represents a function? A. B. x - 18 - 13 3 5 - 6 3 y - 7 - 2 14 16 5 19 C. D. { (-1,-11), (0,-7), (1,-3), (-1,5), (2,0) }

A person earns $187.42 before deductions for 3 days work. What is the rate of per hour assuming 8 hours of work per day?

Student Number of words Fenyang 28 Yasemin 26 Luke 24 Find the mean number of words?

If the perimeter of the rectangle is 6x+c what is the value of c

1/2 X (4+6 X 3) - 9=

Brian bought 4 CDs that were each the same price. Including sales tax, he paid a total of $60.80. Of that total, $3.60 was tax. What was the price of each CD before tax?

Leo practices his violin 12.5 hours each week you are so practices singing for 3.5 hours each week if you buy this is the same amount of time each week how many hours does your practice in 10 weeks

3041-w=2875 what's the answer for w

On the first day of her 5-day trip, Miss Gordon drove 435 km in 5.3 hours. On the next three days, she drove 80.78 kilometers in 65 minutes. On the fifth day, she drove 880 meters. How many kilometers did she drive in all?

Martin multiplied 423 by 7 and found an incorrect answer of 2,841. What did Martin do wrong? What is the correct answer? Explain what Martin needs to do to find the correct answer.