Consider the following pair of equations:
y = x + 4
y = –2x – 2
explain how you will solve the pair of equations by substitution. show all the steps and write the solution in (x, y) form.

What is the value of x in the following equation. -x ^3/2 = -27

Can some one me with these questions

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?