Answer:
(7y + 3x)(7y - 3x)
Step-by-step explanation:
a² - b² = (a + b)(a - b)
49y² - 9x² = (7y)² - (3x)² {a = 7y ; b - 3x}
= (7y + 3x)(7y - 3x)
Answer:✓ 819/13= 63 miles distance in one hour 8*(63)=504 miles in 8 hours Warning: I am sick in bed. Double check my work.
Step-by-step explanation:
answer: 180
Step-by-step explanation:
8y-12
plug in the variable
8 (24) - 12
192-12
180