Determine to volue of k so that the following system in an unknown k, y and z has a unique solution ​

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Are triangles the congruent? write the congruency statement. what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2