7th Grade Math review

What is the perimeter P of the triangle ABC?

• P = ab

• P = 2a + b

• P = a + 2b

• P = 2ab

The record high temperature recorded one year was 93 degrees F while the record low temperature that year was -21 degrees F. How much warmer was the high temperature than the low temperature?

• 114 degrees

• -72 degrees

• 72 degrees

• -114 degrees

Find 5(-12)

• 60

• -60

• -45

• -17

Solve. (-5) - (-23)

• 18

• -18

• 28

• -28

Laura walked 6 1/2 laps in a circular path in 2 hours. At that rate, how many laps of the path did she walk in one hour?

• 2

• 3

• 3 1/4

• 3 1/2

• 12x + 1

Solve. -9 - 15

• 24

• -6

• 6

• -24

Last year 90 schools participated in the State Spelling Bee. This year there were 20% more schools participating than last year. How many schools participated in the spelling bee this year?

• 18 schools

• 108 schools

• 10 schools

• 90 schools

Sandra bought a pair of leather boots that were marked down by 20%. The original cost of the books was $150. What did Sandra pay for the boots?

• $120

• $180

• $30

• $130

What is the constant of proportionality shown in the table?

• 3

• 12

• 4

• 8