Select all that are true for the graph that represents the function f(x) = 5(3)^x

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?