Answer:
Ben ran at a speed of 240m/min and Sam ran at a speed of 200m/min So Ben is faster by a rate of 40/min
Step-by-step explanation:
Ben's miles per minutes

Sam's miles per minute
Given
I'm pretty sure it is 155
Answer:
The formula for the vertex of the parabola is -b/a. Plugging this in we get -(-4)/1 or 4.
Answer: 2 and 4
Step-by-step explanation: the quick way is by dividing all the answer options
AB= 45 degrees central angle theorem