This is an A. <span>observational study. They are observing the use of cell phones differs between people with or without cancer.
Happy studying ^-^</span>
I think it’s c but don’t go with me see if others answer with a different answer :)
Answer:

Step-by-step explanation:
First, subtract by 7 both sides of equation.

Solve.


Then, divide by 12 both sides of equation.

Solve to find the answer.

, which is our answer.
Answer:
ask it
Step-by-step explanation:
1st take it in front of ur face
2nd loon at it in eyes
3rd ask it
Silver beads = 75
gold beads = 15
75/15 = 5
5/1, or for every 1 gold bead there is, there is 5 silver beads
5 is your answer
hope this helps <em>Soto0405</em>!