Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AB = 10 and AD = 4, what is the length of AC? (Note: the figure is not drawn to scale.)​

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?