Liam biked for 3 hours at a speed of 8mph and walked the remaining part of his way at a speed of 3mph. If the total distance he covered was 30 miles how much time did he walk

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

How many solutions does the nonlinear system of equations graphed bellow have?