Marie is an exchange student from Toulouse, France. She wants to call her family at 6 pm in France, and she is in Lethbridge, Alberta. At what time should she make the call from Alberta?

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

What is the value of x when x + 7 = 21?