500 (non smokers)÷ 25(random students out of the group)= 20 inches.
20 inches ÷ 74 inches= 3.70
Answer:
None. She gave half to one person then the other half to another person.
Step-by-step explanation:
Hope this is correct, if not feel free to let me know. I'm sorry in advance if this is wrong.
Answer:
-3
Step-by-step explanation:
f(x)=-2x+7
f(5)=-2×5+7
=-10+7
=-3
Answer:4/3
Step-by-step explanation:
2/6=x/4 cross multiply
6x=8 x=8/6 =4/3 Divide and simplify
Answer:
-21
Step-by-step explanation:
3x7=21 and a negative x a positive is always negative
