1. Shannon walked miles on Wednesday and miles on Thursday. What was the total distance, in miles, Shannon walked during those 2 days?
2. 4x3Ã 3xy2 Ã 2xy2 is equivalent to:
3. Mr. Wilk is a high school math teacher whose salary is $33,660 for this school year, which has 180 days. In Mr. Wilk's school district, substitute teachers are paid $85 per day. If Mr. Wilk takes a day off without pay and a substitute teacher is paid to teach his classes, how much less does the school district pay in salary by paying a substitute teacher instead of Mr. Wilk for that day?
4. A student has earned the following scores on four 100-point tests this marking period: 63, 72, 88, and 91. What score must the student earn on the fifth and final 100-point test of the marking period to earn an average test grade of 80 for the five tests?
5. The oxygen saturation of a lake is found by dividing the amount of dissolved oxygen the lake water currently has per liter by the dissolved oxygen capacity per liter of the water, and then converting that number into a percent. If the lake currently has 6.4 milligrams of dissolved oxygen per liter of water and the dissolved oxygen capacity is 9.5 milligrams per liter, what is the oxygen saturation level of the lake, to the nearest percent?
6. A rectangular lot that measures 125 feet by 185 feet is completely fenced. What is the length, in feet, of the fence?
7. The expression a[(b - c) + d] is equivalent to:
8. If 6x - 3 = -5x + 7, then x =?
9. What two numbers should be placed in the blanks below so that the difference between the consecutive numbers is the same?
13, --, --, 34
10. If x is a real number such that x3 = 729, then