Part a: ms. donaldson earns $18.80 per hour for the first 40 hours she works in a week. she earns 1 1/2 times that amount per hour beyond 40 hours in a week. last week ms. donaldson worked 45.5 hours. how much money did she earn?
$907.10.
part b: a health insurance payment of $34.55 was deducted from ms. donaldson's earnings for the week. after the insurance deduction, payroll taxes equal to 28% of the balance were deducted. what was the amount that ms. donaldson received?
i need the answer for part b! , you! : )

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?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0