$21 because 3$x$7(numbers of days in a week)is $21. I hope this helps :)
Answer:
The fisrt one were it almost hits 3
Step-by-step explanation:
You have to make the percent a decimal by moving the decimal to the left twice. then you need to multiply the other number.
Answer: is D
Step-by-step explanation:
Two angles that have the sum of 180 degrees are supplementary angles. If you need to find angle A, you just need to subtract angle B from 180 degree to find out the degree of the particular angle. Hope I helped.