Answer:

Step-by-step explanation:
Since there are 20 students, this will be the denominator.
Now, to find how many students have a dog and a cat, you need to subtract all the numbers with 20. The leftover number will be the amount of students.
7+8+8=23
23-20=3
So, there are 3 students who have a dog and a cat.
So, the fraction will be 
Answer:
$2700
Step-by-step explanation:
You multiply 180 by 15 and you get 2700 dollars.
The correct answer would be 3(7+1) because 7+1=8 and 8 times 3 equals 24. 24 divided by six is 4 plus 20 would also be 24.
Answer:
it's b 59° because it's at the side
Answer:
JK= 3 in
Step-by-step explanation:
There is a theorem that says that the angle of a tangent and the radius is of 90°
so we can use the pythagora's theorem
