Answer:

Step-by-step explanation:
Suppose the number is <em>X </em>given that one half is a third of my number which is <em>X</em>.
= 
multiply by 3 both sides
x 3 = 3 x
<em>X= </em>
<em />
Answer: A
Step-by-step explanation:
First ration we will divide by 5 (both numbers) and second one by 3 (again both numbers).
First ratio becomes (25:5)/(45:5) = 5/9
Second ratio becomes (15:3)/(27:3) = 5/9
Since we can simplify them in that way that both are the same that means they are proportional.
Step-by-step explanation:
4.
3pounds for $6.99
a.
1 pounds =$6.99/3=$2.33
b.
10 pounds =10×$2.33=$23.3
10.
area right triangle =1/2 bh=1/2 ×{50×30}=750mm²
Answer:
Obtuse angle
Ray angle
and I think line segment
Step-by-step explanation:
I hope this has helped although I am not sure