Which is a correct definition for a straight angle?
a.
an angle with a measure that equals the measure of a square corner
b.
an angle with a measure that is less than the measure of a square corner
c.
an angle with a measure that is greater than the measure of a square corner
d.
an angle that looks like a line

D. because, a straight angle is a angle measuring at 180 degrees and when you look at it, it looks like a straight line.
 hope this helps ;)

Period is the time it takes for one “cycle” to complete. in the parent sine function, period is 2*pi since sin(0) = 0, sin(pi/2) = 1, sin(pi) = 0, sin(3pi/2) = -1, and sin(2pi) = 0. at that point, the sequence repeats itself. i’m not sure if your graph is similar to the sine function since you didn’t provide a picture, but you can find the period by looking at a graph.