What is the period of the function? y=cos(pi/2)

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Me i’m stuck on all these questions besides the two bottom ones