Which of the following functions is not a sinusoid? • A. y= sin x
• B. y=x
C. y = cos x
D. None of the above are sinusoids.

146%

step-by-step explanation:

i will pick c put check it over to be sure

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk