Answer:
29: A
30: $7.50
31: number of dots in total:
1) 0 dots
2) 1 dot
3) 1 dot
4) 3 dots
5) 1 dot
6) 1 dot
7) 1 dot
8) 0 dots
Step-by-step explanation:
There should be a typo in the question: the correct formula would be
Let's compute 
first. We have
If we intersect this set with X, we have
So, that would be the left hand side. For the right hand side, we have
And their union is again 
Answer:
Option 2 because in decimals, 1.3 will be the largest being that it is followed by the #3. (1.3)
Hope it helped!
Answer:
Step-by-step explanation:
we can use the trigonometric function in a right triangle
cos x = adjacent side to the angle /hypothenuse
cos 36°= x/10 ; multiply both sides by 10
10 * cos 36° = x ; make sure your calculator mode is in degrees
8.1 = x
