Which expression is equivalent to (2^3)^-5
a. 1/2^15
b. 1/2^8
c. 2^8
d.2^15?

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

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x