Well, the first one, I have never worked with before so I'm sry but I can't help you with that one. 3y + x = 4 (x=1) 2y - x = 6 (x=8)
Answer: It’s not 17.5 I can tell you that:(( just got it wrong
Step-by-step explanation:
Answer:

Step-by-step explanation:









Hope this helps!
Answer:

Step-by-step explanation:

Solve the brackets first.

Division comes next.

Cancel the negative signs.

Multiply the terms.


Pi(r)(r)(2) + pi(diameter)(height)
3.14(4)(4)(2)+ 3.14(8)(1.5)
138.16