A particle moves with velocity function v(t) = -t^2 + 5t - 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 3 seconds. 5 /2 feet per second2
-1 feet per second2
-3 feet per second2
6 feet per second2

What is (28 + 7 + 6 + 3) x 1/2 show your work

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

The area of a circle is equal to 1 dm². find the radius of the circle.