Urgent! 10 points! use elimination to solve the equation using elimination. x-4y=11 5x-7y=-10

Is the orthocenter of a triangle on the inside ?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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?