Keisha is putting money into a checking account. Y represents the total amount of money in the account in dollars let X represent the number of weeks Keisha has been adding money. suppose that X andY are related by the equation y=450+ 50x 1. What is the change per week in the amount of money in the account?

2. What was the starting amount of money in the account?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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?

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.