The students in Mrs. Krager's class are holding a car wash to raise money for their end-of-year field trip. They washed 45 cars by noon, and their goal is to wash 110 cars by the end of the day. Write and solve an addition equation to find c, the number of cars they still need to wash to meet their goal.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23