Answer:
28 degrees
Step-by-step explanation:
A triangle is always equal to 180 degrees so add the degrees together
40+2x+3x=180
40+5x=180
5x/5=140/5
x=28
Answer:
[-1, infinity)
Step-by-step explanation:
I must assume that you meant y = √(x - 5) - 1.
The range of the square root function is [0, infinity.
If 1 is subtracted from the square root function, the range of the resulting function is [-1, infinity).
Answer:

Step-by-step explanation:
we know that
To find the fraction of the store's books that are fiction mysteries, multiply 1/2 by 3/5
so

Answer:
The given statement is true.
Hope this helps!