Answer:
17. 11x - 11y or 11x + (-11y)
18. -7.52 - 2.8 or -7.52 + (-2.8)
19. 41x - 21y - 6
20. -3y -8xy
Step-by-step explanation:
17. Use the distributive property.
18. Use the distributive property to multiply each number inside the parentheses by 0.4
19. Multiply each number inside the parenthese by 7.
20.Multiply each term in parenthese by y.
Answer:
5f - 45
Step-by-step explanation:
(f-9)(5)
5f-9*5
5f-45
Answer:
6-b
Step-by-step explanation:
I hope this helps, and have a great day! :D
Answer is (A) because it is concave and it has 8 sides