Question

Please HELP need answers Quick!! Will Fan and Medal

Answer 1

20. Explain how to use mental math to simplify the expression.

6 • 3 • 5

19. State whether the equation is true, false, or an open sentence. Show your work.

3(4 + –5) = 3(–6 – 2)

18. Name the coefficients in the expression 4x + 9 – y

Answer 2

19 is false

Answer 3

and coefficient what coefficient you want?

Answer 4

@sumanta it says name the coefficient(s)

Answer 5

Could you show me steps for #19, why is it false?

Answer 6

19.) when you distribute and solve
3(4+-5)=3(-6-2)
12 +(-15)= -18-12
-3 -24
-3 is not equivalent to -24