Calculate the total surface area of the cube:

What is the missing constant term in the perfect square that starts with x^2 -20x

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.