Answer:
30
Step-by-step explanation:
Plug in x:
6(5)=30
V = π r² h
= 3.14 × 8 × 8 × 15
= 3014.4 cm³
5x² - 13x + 6
8x² - 6x + 2 - (3x² +7x -4)
Simplify the expression:
8x² - 6x + 2 - 3x² -7x + 4
Combine like terms: