These are the questions from my recent one I jus posted. Answer the ones you know, leave the ones you dont:) apreciate your help!

5. Solve the following proportion.
X /12= 48/144
A. x=3
B. x=4
C. x=8
D. x=9

6) Solve the proportion using
cross multiplication.
15/5=x/6
A X=2
B X= 12.5
C x=18
D X= 450

7) Solve the proportion using
cross multiplication.
26/ x = 17/51
A. x=189
B. x=78
C. x=33
D. x=9

8) Solve the proportion using
cross multiplication.
x/14=9/3
A. x=13
B. x=14
C. x=23
D. x=39

9) in a recipe for waffles, you need 1 1/2 cups of flour. the recipe serves 5 people. you need to make waffles for 20 people, how much flour do you need??

A. 4 cups
B. 6 cups
C. 7.5 cups
D. 20 cups

10) for art class, you are making a model of a house. A real house has a length of 52 feet and Werth of 28 feet. your model has a length of 13 inches. what will the width be?

A. 6 in
B. 7 in
C. 9.5 in
D. 16 in