Answer:
Step-by-step explanation:
57 divided by 6 = 7.5
9.5 x 8 = $76
Answer:

Step-by-step explanation:
Use the Pythagorean theorem. 
a and b are the two side lengths
c is the hypotenuse (value across from the right angle)
Plug in the values that you are given.

Solve for x


x=

Their frequency stays the same and their wavelength decreases
It’s 5 1/3 because 16 divided by 3 is 5 1/3