4a - 5 +5(2a -b) + 7
14a - b + 2
14a - 5b +2
-a + 10b + 12
14a - 5b +12 by

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

i think the answer would be c

answer: 1475

step-by-step explanation:

becuase you have to know what they are asking you