Donna purchased 3 bags of dog food. the total cost of her purchase, including a tax of $3.96, is $53.46.what is the cost of 1 bag of dog food?
a. $3.96
b. $13.86
c.$16.50
d.$19.14

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply