Can anyone help me pls

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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?

Write the following as a base and exponent