Answer:
10 hours
Step-by-step explanation:
320 = 30x + 20
300 = 30x
x = 10
Answer: The area is 201.06
Answer:
2+4 6(8)
Step-by-step explanation:
pls give brainliest
Answer:
Step-by-step explanation:
Rationalize the denominator of b. So, multiply the numerator and denominator by 

Now, find a +b

Combine like terms

Now find (a + b)²
(a +b)² = 

Hint: 