Algebraic Concept

Match this word expression with the correct algebraic expression:
a number decreased by 9

• n + 9
• n - 9
• 9n
• n/9

the quotient of a number and 9

• n + 9
• n - 9
• 9n
• n/9

a number increased by 9

• n + 9
• n - 9
• 9n
• n/9

the product of a number and 9

• n + 9
• n - 9
• 9n
• n/9

15 decreased by 4 times a number

• 4n - 15
• 15-4n
• n- 15 x 4
• 15 x 4 - n

4 times a number increased by 15

• 15- 4n
• 15n + 4
• 4n - 15
• 4n + 15

4 times a number increased by 15

• 15- 4n
• 15 + 4n
• 4n - 15
• 4n + 15

d decreased by 29

• 29-d
• d-29
• 29d-d
• d + 29

17 less than the product of 3 and m

• 3m - 17
• 17 - 3m
• 17m -3
• 17-3 + m

2 less than the quotient of d and 6

• d - 6  + 2
• 6d - 2
• d/6 - 2
• 2 - d/6