Parenthesis Quiz 5 (25 MCQs)

Quiz Instructions

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1. How many Hydrogen atoms are in 4H$_{2}$O?
2. -r-10r
3. Find the sum (-3x + 7) + (2x-5).
4. Evaluate the following expression:100-25 + (75-25)
5. What are the dashes doing in the following sentence?The sandwich was mediocre-hardly a surprise, given the lack of mustard-but I ate it regardless.
6. Which of the following chemical formulas contains exactly 4 hydrogen atoms?
7. $_{18 + 2 x 4}$
8. Simplify:4(7x+5)
9. As the rain fell on the tin roof, Alice had an odd expression (like she was constipated).
10. Tomorrow the supervisor will come to our shift meeting ..... and listen to the complaints of the kitchen staff. What punctuation should be added where the line is located?
11. Simplify the expression:3x + 2x
12. How many atoms are there TOTAL in:H$_{2}$SO$_{4}$
13. According to exponent rules, when we divide two powers with the same base we ..... the exponents.Example:h$^{8 }$/$^{ }$h$^{3}$
14. Solve.25-14 + 3 =
15. After she she left the Capitol ..... Senator Dubitsky returned to her office to work on a speech, answer some letters, and meet with her staff.
16. 9(x-4) =-36
17. Which of the following is a compound?
18. -3(1+6n)=-147
19. Which of the following sentences uses parentheses to provide additional information?
20. 42 x 6 + 3$^{2}$ + (9-12)The first thing to solve is .....
21. Solve. 7-6+5=
22. (18 + x)2 = 30
23. Mary, my best friend ..... Jasmin, my cousin ..... and Sally, my neighbor like riding bikes. What punctuation should be added where the lines are located?
24. 15 times as much as 1 fifth of 12
25. Simplify:6(7 + x) + 5x