From a horizontal distance of 80.0 meters, the angle of elevation to the top of a flagpole is 18°. calculate the height of the flagpole to the nearest 10th of a meter?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)