Atelephone surveyor earns a fixed amount for each call that she makes, as
shown in the graph below.
amount earned (dollars)
4.2+
3.5
1
2 3 4 5 6
number of calls made
if the telephone surveyor makes 13 calls, how much will she earn in total?

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).

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Three times the sum of a number and seven is negative thirty-six. what is the number?