Samantha invested $880 in an account paying an interest rate of 3.1% compounded continuously. Assuming no deposits or withdrawals are made, how long would it
take, to the nearest tenth of a year, for the value of the account to reach $1,270?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.