Answer:
1 : 2
Step-by-step explanation:
this is a 30-60-90 triangle which is a special right triangle. the ratio of the sides is x: x*sqrt(3): 2x, in the order short leg: long leg: hypotenuse. so the ratio of the short leg to the hypotenuse is x:2x or 1:2
Answer:13y(x-4)
Step-by-step explanation:
13xy-52y =13y(x-4)
Answer: 60 adults and 60 students
Step-by-step explanation:

The appropriate choice is ...
... D) 1.0×10⁻³ inch
When you rotate the ef counter lock 180 degrees, the new line e'f' will have the same length as ef.