What is the coefficient of x^3y^2 in the expansion of (2x+y)^5
can you explain your answer and show your work

Ineed asap graph the system of equations 2x+y=5; 14+7y=35

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?

What is not true about kl and mn? what is mn? (show )