If a quadratic function has an a value of 1, and a vertex of (-1, 4), what is the function? I NEED HELP

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.