Question

i need help plzzz i will give brainliest

Answer 1

Answer:

given below

Step-by-step explanation:

Valid:

• n * 5 = 5n .....1st option
• n(1+1+1+2) ........4th option
• n * 5 = 5n ............5th option
• 1*n+1*n+1*n+2*n ........sixth option

Invalid:

• 1(n + 2n) ............3rd option
• 0*n+0*n+0*n+2*n ...............2nd option