A surveying crew has two points A and B marked along a roadside at a distance of 400 yd. A third point is marked at the back corner of a property along a perpendicular to the road at B. A straight path joining C to A forms
a 28° angle with the road. Find the distance from the road to point C at the back of the property and the distance
from A to C using sine, cosine, and/or tangent. Round your answer to three decimal places.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?