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Ok these are some textbook questions i need to turn in soon could you please check and see if they are correct~

1.
x over 4 + 1 = –5 (1 point)

–2
16
4
–24

2.
6x + 29 = 5 (1 point)

–4
–18
204
–144

3.
Combine like terms:

–21a + 16a (1 point)

–5a
5a
37a
–37a

Simplify the expression.
4.
9a – b – 2a – 10b (1 point)

–7a + 11b
11a + 9b
–11a – 9b
7a – 11b

5.
5(x + 10) + x (1 point)

6x + 15
5x + 15
6x + 50
4x – 50

Solve the equation.
6.
–4n + 7 + 2n = 1 (1 point)

1
3
–3
4

7.
4(y – 4) = 8 (1 point)

–2
2
4
6

Note: This item has been reviewed and is scheduled to be updated. All students will receive full credit for any response to the following.
8.
5n = –16 + 6n (1 point)

16
–16
one-sixteenth
–one-sixteenth

9.
Raymond buys bottles of water at \$2.10 each and a large pizza at \$12.99. The total cost was \$21.39. How many bottles of water b did he buy? (1 point)

2.10b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
21.39 – 2.10b = 12.99; 16 bottles

10.
Suppose you are driving to visit a friend in another state. You are driving 55 miles per hour. You must drive 440 miles total. If you have already driven 275 miles, how long will it take you to reach your destination? Use h to represent the number of hours it will take to reach your destination. Use the equation 55h + 275 = 440. (1 point)

30 hours
2 hours
3 hours
1 hour

1)D
2)A
3)A
4)D
5)C
6)B
7)D
8)A
9)A
10)C

This is becomeing urgent now!

ok i just want to know if #1 is correct

ok nvm i guess i'll do it myself then.

All correct except #9

total - pizza = water
21.39 - 12.99 = 8.40

at 2.10 each, number of bottles = 8.4/2.1 = 4

4 bottles

acctually i got 100%

so gabby was the answer to number 9 what you said or what reiny said?

Gabby is correct