Answer:
6x^2+2x
Step-by-step explanation:
She spent 5% of her money
Answer:
208
Step-by-step explanation:
Answer:
K/(4+9b) = a
Step-by-step explanation:
K = 4a + 9ab
Factor out a on the right hand side
K = a(4 + 9b)
Divide each side by (4+9b)
K/(4+9b) = a(4 + 9b)/(4+9b)
K/(4+9b) = a