1.Which expression means “4 less than the product of 6 and 5”?

6 + 5 - 4
4 - 6 × 5
6 × 5 - 4
6 - 5 × 4
2. Which expression means “the sum of 5 and 9 less than 17”?

17 - (5 + 9)
17 - (9 - 5)
(17 - 5) + 9
17 + (9 - 5)