Simplify the given equation.
6 - (3x + 10) + 412 - x) = 15
4 -7x = 15
4 -4x = 15
12-7x = 15

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m