Unit 4 Day 18 Homework

Mr. Howard lost money on his investments at a rate of $7 per day. What is the change in his investment at the end of a week?

• -$49.00

• $49.00

• $14.00

• -$14.00

Mrs. Guthrie is riding a roller coaster which started at ground level. It ascends to a height of 125 feet. It then descends 95 feet. What is the height of the roller coaster after the first descent?

• 220 feet

• -30 feet

• 30 feet

• -125 feet

The low temperatures in degrees Fahrenheit for Anchorage, Alaska last week were: -21, 2, -14, -10, 5, -13, and 3. What was the average low temperature for the week to the nearest hundredth degree Fahrenheit?

• -6.86 degrees F

• 6.86 degrees F

• -48 degrees F

• 9.71 degrees F

• -9.71 degrees F

Mt Everest, the highest elevation in Asia is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?

• 27,716 feet

• 30,340 feet

• 28,716 feet

• 30,330 feet

Mrs. Pinney is investigating the habitat of various animals. She starts by scuba diving on the reefs of Florida. She dives to a depth of 30 feet. The next day she climbs to the top of Mount Mitchell at an elevation of 6,683 feet. What is her change in elevation?

• 6,653 feet

• -6,713 feet

• 6,713 feet

• -6,653 feet

A submarine was situated 800 feet below sea level. If it ascends 250 feet, descends 300 feet, and then ascends 75 feet, what is its new position?

• 775 feet

• -825 feet

• -175 feet

• -775 feet

On March 1, Mai had a checking account balance of $356. She deposited a paycheck of $1,640. Then she wrote checks to pay for her house payment, car payment and utilities. Her house payment is $852, car payment is $264 and her other utilities total $315. How much money will she have left in her checking account after paying her bills?

• $565

• -$209

• -$565

• $209

A water well drilling rig is able to dig to a height of -52 feet in 8 hours. How high will they be able to dig in 35 hours?

• -227.5 feet

• -280 feet

• 227.5 feet

• -5.38 feet

I have a 25 gallon aquarium that was cracked accidentally while being cleaned. It contained 24 gallons of water right after the cleaning, but 10 minutes later it only had 16 gallons of water. At what rate is the water changing?

• -0.9 gallons per minute

• 0.8 gallons per minute

• -8 gallons per minute

• -0.8 gallons per minute

• -9 gallons per minutes

The quarterback had a loss of 5 yards

• Positive
• Negative
• Zero