A projectile is thrown upward so that it's distance above the ground after t seconds is h=-14t^2+448t. After how many secods does it reach its maximum height

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'