18. Which of the following is NOT an Inequality? *

1 point

A. The sum of x and 15 is greater than 35.

B. The difference of 3 and twice m is less than 25.

C. The product of a number and 5 is at most 40.

D. The sum of a number and 25 is equal to 30.

19. Which is the correct translation of “ The airplane will fly if it has at least 20 passenger”? *

1 point

A. p ≤ 20

B. p ≥ 20

C. p ˃ 20

D. p < 20

20. What is the solution set of the inequality 3 x ˃ 15? *

1 point

A. x = 5

B. x ˃ 5

C. x < 5

D. x < -5

21. If x – 3 < -4, and x is an integer, what is the greatest possible value of x ? *

1 point

A. -2

B. -1

C. 0

D. 1

22. Ella earned scores of 72, 78, and 86 on the first three out of 4 long tests. What score must she earn in the last long test to have an average of at least 80? *

1 point

A. x ≥ 85

B. x ≤ 85

C. x ≥ 84

D. x ≤ 84

23. Which of the following illustrates the solution set of -2x ≥ 4? *

1 point

A. x ˃ -2

B. x < -2

C. x ≥ -2

D. x ≤ -2

24. In an inequality 2x˃12, which of the following values will satisfy the statement to be true? *

1 point

A. 7

B. 6

C. -6

D. -7