Answer:
(4m - 1) × (2n + n)
Step-by-step explanation:
8m - 2 + 4mn - n
2(4m - 1) + 4mn - n
2(4m - 1) + n × (4m - 1)
= <u>(4m - 1) × (2n + n)</u>
92.
By proportion the mass of zinc = (345/ 15) * 4
= 92.
5(x-3y)+2(4x+y)-(x+y)
5x-15y+8x+2y-x-y
5x+8x-x-15y+2y-y
13x-x-13y-y
12x-12y
24 correct questions
