Answer:
1. Distance from Katie's House to the beach = 75 km
2. Hours that it takes to get to the beach = 6 hrs
3. -12.5 which tells us the rate at which katie traveled which was 12.5 km per hour
Steps to 3.
Rise/Run = -75/6 = -12.5 = slope
Answer:

Step-by-step explanation:
Step 1:
Convert the mixed numbers to the improper fractions:

Step 2:
We multiply the numbers remembering about simplifying:

50,000,000 because 45 is closest to 50,000,000.
Step-by-step explanation:
one foot cost 3 so a fourth of one foot is one fourth of three which is .75 and .75 x 3 is 2.25