Answer:
40
Step-by-step explanation:
3 (three) times x (a number) - (minus) 7 (seven)
Three times a number minus seven
You could also say seven less than the product of a number and three.
A. 30% is the correct. .30 is 30%
The answer is: B. Even function.
The explanation for this exercise is shown below:
1. You must substitute 
with 
in the function:
2. As you can see, 
, therefore it is an Even function.
You would do 3x+90=180 because a straight line equals 180°. then you find x=30. then x and z add to get 180 because x fits in the slot above z so 180-30 equals 150°. if z equals 150° then 180-150 equals 30. so x=30,y=15, and z=150
