Kate has $3140. She spent 2/5 of it. What amount did she spend? Please help ASAP!!!

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old