Given f(x) = x + 11 and g(x) = x - 7, what is f(x) + g(x)? -77x 18x 2x + 4 -2 - 77x

Simplify the expression. -2/5(10+15m-20n)

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4