Which statement about divergent infinite geometric series is true? a)A divergent infinite geometric series will have a common ratio of 0.50.

b)All infinite geometric series have divergent graphs.

c)The graph of a divergent infinite geometric series curves toward infinity.

d)The graph of a divergent infinite geometric series curves toward its sum.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score