A company that manufacturers batteries for cell phones wants to estimate the mean number of hours that battery will last. How many batteries must they test to be 95% confident that their mean is within 1.5 hours of the population mean (Assume that the population standard deviation is 3.85)

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5

77

step-by-step explanation:

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.