An arrow is shot vertically upward from a platform 45 feet high at a rate of 168 ft/sec. use the quadratic function h(t)=-16t^2+168t+45 to find how long it will take for the arrow to reach its maximum height, and then find the maximum height.

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.

41/17 as a decimal rounded to the nearest hundredth

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points