FRIDAY 12/1

On a winter day, the temperature starts at 5 degrees above zero. As the day progresses, it drops 10 degrees. In the evening, the temperature rises 2 degrees. what is the final temperature?

• -10°

• 5°

• -3°

• 3°

A group of hikers begins their ascent up a mountain. They start at an elevation of 800m above sea level. After climbing for some time, they descend 200 meters to explore a cave. Later they continue to descend 350 meters. What is their final elevation?

• 250 meters.

• 200 meters

• 100 meters

• 150 meters

You have a bank account with a balance of $175. You get a gift of $25. You deposit it in your account. You decide you want to spend some money. You make a withdraw of $90.00. How much do you now have in your account.

• $130

• $120

• $110

• $95

In an electrical experiment, you start with a positively charged object with a charge of +15 units. You then introduce a negatively charged object with a charge of -10 units. Afterwards, you bring in another positively charged object with a charge of +5. What is the overall charge?

• 15

• -10

• +25

• 10

2356 ÷ 8=

• 309

• 290

• 294.5

• 195.5

7/8 ÷ 5/6=

• 7/8

• 1 5/6

• 1 1/20

• 1 2/40

Simplify the expression 15/3

• 4

• 2/3

• 5

• 1/8

2(7-5) + 3³-5=

• 57

• 36

• 26

• 47