Simple just subtract and u get-74.85
The answer is: x = 2 ∨ x = -1
Answer: 14
Step-by-step explanation:
Given
Excavation cone measures
height 
Diameter 
Truck can dump
at a time
The volume of a cone is

Putting values

No of trips(N) required to accumulate this much volume is given by

Therefore, 14 trips are necessary to accumulate a cone of volume 
Answer:
21 cm
Step-by-step explanation:
To find the radius, half the diameter (42cm)
hope this helps :)
Answer:
137 races
Step-by-step explanation:
822/6=137
so if there was 822 people and the limit for the races were 6 people, there would have to be 137 races for all the people.