Solve the system of equations 6x+3y=9 and -5x-5y=0

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

For what value of (y) is 3^3/3^y =1/9

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?