Give a verbal description of (7, ∞)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units