Answer:
i would say the 3rd answer
Answer:

Step-by-step explanation:

Cancel 4c on both the sides of the equation.

Bring the 2 in the denominator of 11/2 to the left hand side of the equation.

Bring 4 to the right hand side if the equation.


Yes they are equivalent expressions. If you take the z to the power of two, and subtract that from the other z to the power of two, it is zero. So you are left with four which is the answer
(5x-2y)(3x-2y)
Dont give me anything give it to the other lad down there
Answer:
Question 9 = 5.5 hours (Cross multiplication)