Question

1. y diminished by 9
2. the sum of 5 and k
3. g less than 8
4. the quotient of b and 3
5. thrice a number p

Explanation:

Question 11

Step1: Understand "diminished by"

"Diminished by" means subtraction. So we subtract 9 from y.
$y - 9$

Question 12

Step1: Understand "sum of"

"Sum of" means addition. So we add 5 and k.
$5 + k$

Question 13

Step1: Understand "less than"

"g less than 8" means 8 minus g.
$8 - g$

Question 14

Answer:

s:

1. $y - 9$
2. $5 + k$
3. $8 - g$
4. $\frac{b}{3}$
5. $3p$