Which situation is best represented by the function , where ?

 a. An office-supply store sells boxes of ballpoint pens that contain a dozen pens per box for $5 each.  b. An Olympic swimmer trains by swimming 12 kilometers on each of weekdays and 5 kilometers on each day of the weekend.  c. An algebra quiz has problems worth 12 points each plus 5 extra-credit problems worth 5 points each.  d. Acompany sells baseball caps for$12 each and charges a $5 shipping fee # Barton College Practice Placement Test Question 25 The profit, P, realized by a company varies directly as the number of products s it sells. If a company makes a profit of$7800 on the sale of 325 products, what is the profit when the company sells 5000 products?

 (A) $120,000  (B)$100,000
 (C) $80,000  (D)$60,000

# LEAP Practice Test Grade 8 Mathematics Session 1 Question 23

Each day of the month, Carl earns an allowance, in cents, equal to the square of that date of the month. Which is a number of cents Carl could earn in a single day?

 (A) 21
 (B) 31
 (C) 64
 (D) 111

# Barton College Practice Placement Test Question 7

Express in scientific notation: 0. 0000056

 (A) 5.6 X 10-6
 (B) 5.6 X 106
 (C) 5.6 X 10-5
 (D) 5.6 X 10-7

# Grade 8 Common Core Math Tests Question 7

A square park has an area of 6561 square meters. If you walk around the park, what is the distance that you would have walked?

 (A) 81 m
 (B) 324 m
 (C) 1296 m
 (D) 162 m

# LEAP Practice Test Grade 8 Mathematics Session 1 Question 25

A company used about 7.4 × 105 sheets of paper in a month. Of the paper used during the month, the accounting department used about 8.9 × 103 of the sheets. About how many sheets of paper were used by other departments during the month?

 (A) 1.5 × 102 (B) 1.5 × 103 (C) 7.3 × 104 (D) 7.3 × 105

# Grade 8 Common Core Math Tests Question 9

Write the following in standard form: 2.25 x 105

 (A) 22500
 (B) 225000
 (C) 22500000
 (D) 2.25

The formula is used to calculate the distance an object travels over a period of time, , at a constant rate, . Based on this formula, what is the rate, , in terms of and ?

 A)
 B)
 C)
 D)