A straight line measures 180°. A straight line and a triangle are touching as shown in the figure below.
80
16°
What is the value of x in the figure?
A 64
B 84
C 90
D 96

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5