Solve.

2a + 4 > 12

{a | a > 2}
{a | a > 4}
{a | a > 8}
{a | a > 10}

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be