They are 320 girls and 250 boys. The probability that a girl is left handed is 0.2 the probability that a boy is left handed is 0.1 estimate the number of students left handed in the school

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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?

Which of the following circles have their centers in the third quadrant? check all that apply.