Answer:
18
Step-by-step explanation:
-3(2x-3)
-3x(-6)
-3x-6=18 because the negatives cancel each other out.
Answer:
The initial cost is $20, and it adds $5per hour
Step-by-step explanation:
Read the graph
Answer:
25.44$
Step-by-step explanation:
20% of $30 = 6 $
Cost = 24$
Tax = 1.44$
Total cost = 25.44$
HOPE THIS HELPS
PLZZ MARK BRAINLIEST
Answer:
1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.
Step-by-step explanation:
The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
1 from a set of 2(Either Mrs. Vera or Mr. Jan).
3 from a set of 18 - 2 = 16. So

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.