sean has1/5 of a cupcake and 1/5 of a large cake .Does the sum 1/5+1/5=2/5 make sense in this situation ? Explain

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 the factored form of the following expressions? d^2 – 13d + 36

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?