Which of these is the algebraic expression for "some number to the power of 4? "

x4

4x

4x

x + 4

Match each graph with the correct equation from the equation bank. not all equations will be usef

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective