Solve for k in the equation \(\frac{1}{8}^{k+2}\) = 1

Evaluate \((101_{two})^3\)

The shaded portion in the venn diagram above represents?

If a fair coin is tossed twice, what is the probability of obtaining at least one head?

If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median