here are the choices:
a.) x=13, y= 2/13
b.) x=13, y= 13/2
c.) x=6, y=2/13
d.) x=6, y=13/2

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Find all the angles that satisfy the equation cos(θ)=32

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected