Answer:
I'm a middle school students sorry I can't help
Answer:
She could do 3x+45
Step-by-step explanation:
for 3 weeks and x amount of money would be 3x, and for 15 a week for baby sitting. 15*3=45. This gives you the equation 3x+45 .
D = M/V
D= 21/7
D = 3 g/cm3
