I’m pretty sure that your answer is the last one
Answer:
3(7x + 5y)
Step-by-step explanation:
the highest common factor for this equation is 3, as 21/3 = 7 and 15/3 = 5, and 5 and 7 have no more common factors:
thus - > 21x + 15y = 3(7x + 5y)
Circumference is 25.13
area is 50.27
A gallon is 4 times larger than a quart because there are 4 quarts in 1 gallon!