A caterer charges a fixed amount for preparing a dinner plus a rate per student served. The total cost is modeled by this equation: Total cost= Fixed amount + Rate • Number of students

Paula knows that the total cost for 250 students will be $1375 and the total cost for 350 students will be $1725 find the caterers fixed cost and the rate per student so explain how you figured this out or show your work to justify your answer

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Which is a graph of a proportional relationship?

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )