Answer:
Both Answers are in the following attachment (a) and (b)
Step-by-step explanation:
Answer:
tgtftgrfrfrdrxdrdrcrcrcrxrxrxrc
If you divide 380 by 20, you get 19. To check this, multiply 20 x 19 to see 380. Hope this helps :D
Answer:
Please check the explanation!
Step-by-step explanation:
Given the polynomial




so expanding summation

solving




also solving






similarly, the result of the remaining terms can be solved such as




so substituting all the solved results in the expression


Therefore,

Answer:
31
Step-by-step explanation:
(12)(1) + 20 - (1)
12 + 20 - 1
32 - 1
31