Janelle wrote the matrix addition below. Which statement is true?
O (n+4)-7= 18
O (m- 1)+ 12) +0= 12
O ((s+1)- 18) + 11 =-28
O n+(m-1)+(s+ 1) =-28

it will be a cylinder. with a diameter of 8 and 4 single pieces high

step-by-step explanation:

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3