Answer:
5
Step-by-step explanation:
In a 30 60 90 triangle the shortest side is considered to be half the hypotenuse. So in this case, 10 is the hypotenuse and 10/2 = 5.
Answer:

Step-by-step explanation:
First subtract 100 and 64. To find how many didn't choose to drink chocolate milk.
100-64=36
Percentages put into fractions will be Percentage over 100.
So, the fraction will be
. Now simplify.

Answer:
The domain is the set of x values for which the function resides in.
In this graph, it is unclear as to if the function goes on to infinity, but if it does, the answer is quite easily:
(-2, 4] and [7, ∞)
since the function starts on the left at -2 then continues to the right, with a pause, then indefinitely after.
The tangent meets the radius at a right angle.
We use (the converse of) the Pythagorean Theorem to check:

Not a right triangle
Answer: FALSE
speed that she is reading= 3pages/4min
=3/4 page/min
in 30 min she can read= 3/4 page/min × 30min
= 90/4 page
= 22.5pages