Tell whether the two rates form a proportion. 45 baskets in 85 shots; 54 baskets in 102 shots

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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?

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days