(18+ 18 +19+ 18 +24+ 21+ 21 +24 +23 +25+ 46 +28+ 21 +19)/14 =325/14≈<span>23.21</span>
(3, 62)
Since that second equation is equal to y, you can substitute the entire thing into the top equation, getting rid of the y and solving for x. It equals 3.
You can then plug 3 in for x on either equation, which should be 62.
Answer:
7a + 8b + 3c
Step-by-step explanation:
Group together like terms and simplifyy
Answer:
Step-by-step explanation:
(i)(i)(i)= -i
