find the angle ? between the vectors.
u = (1, 1, 1), v = (4, ? 5, 6),
leftangle0.gif
u, v
rightangle0.gif
= u1v1 + 2u2v2 + u3v3

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.

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Combine the information in the problem and the chart using the average balance method to solve the problem.