6 feet:10 hours
multiply by 1.5 on both sides
9 feet:15 hours
answer: 9 ft
Answer:
Graph A
Step-by-step explanation:

Its mean graph should intersect x axis at x = 7 and x = - 1. This everything is satisfied by graph A.
Answer:
200
Step-by-step explanation:
100+
100
-----
200
.44/.8=×/1
×=.55
..................................
Answer:
n = 1500
Step-by-step explanation:
The sample size is the number of students that were asked
n = 1500