A land surveyor measured the elevations of four villages. His measurements are shown. 13, −4, 2, −17
Which elevation has the greatest absolute value?

−17

−4

2

13

Can you draw an isosceles triangle with only one 80 degree angle?

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?

For the equations below which statement is true ? -2x=14 6x=-42