4. for exercises 13-19, fill in the blanks with the appropriate symbols:
13. -9_-1
14.
5
17. 3-
10
7
inlom
15. 0.15 0.15
19. / _ / /
- 18. 21 _ 17

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

What is the sum of the first 8 terms of the geometric series

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.