7 ACC Quarter 3 Exam

Miss Scarpias has 35 students in her science class.If her class increases to 42 students next year, what will be the percent of change?

• 20%

• 75%

• 93%

• 33%

The Polar Express movie is $12 and it will be on sale for $8.What is the percent of change if the cost decreased $4?

• 15%
• 33%
• 10%
• 32%

Tags

CCSS.6.RP.A.3C

Ari borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?

• 6%

• 6%

• 8%

• 9%

How much principal must be invested to earn $30.88 in one year at a simple interest interest rate of 4%?

• $772

• $77.20

• $741.12

• $802.88

Ari wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy

• thirty students who are rarely tardy

• thirty of her friends

• thirty randomly selected students from her school

Ari wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?

• Ask the boys in the boys locker room.

• Ask the 25 students in his homeroom class.

• Ask students coming out of a movie theater.

• Ask half of the 34 students on the soccer team.

What value is the lower quartile?

• 66
• 58
• 60
• 64

Tags

CCSS.3.MD.B.4

What is the median?

• 62
• 58
• 66
• 60

Tags

CCSS.7.SP.B.4

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Ari paid $8.63 for a pair of earrings, which includes 8% sales tax. How much were the earrings before tax?

• $7.99

• $9.32

• $.69

• $107.88