Plzzz help!! Solve for the value of x.

1/2x = 21

Which parent function is an example of a piecewise function? answers: linear parent function quadratic parent function an exponential parent function absolute value parent function pls i’m sorry if this doesn’t make sense

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: