A diver followed a path defined by: h(t)= -4.9t2+3t+10 in her dive, where t is the time, in seconds, and h, is her height above the water in meters. At what height did the diver start her dive? For how long was she in the air before hitting the water? What was her maximum height? Please help!!

Choose the more precise measurement. 26.4 cm or 8.39 cm

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%