Answer:#1
Step-by-step explanation:
4/5 is equivalent to 20/25
Answer:
81
Step-by-step explanation:
(9x - 4)(9x + 4) = ax² - b
81x² - 36x + 36x - 16
= 81x² - 16
=> a = 81
12 gallons is needed for a 500 mile trip.
Answer:
Not similar
Step-by-step explanation:
They are not similar because the ratio is not the same. 42/35 = 1.2 and 14/10=1.4