Covot a multiplication expression into addition. Slove both 1. 2(3+1) = 2. 3(56+19)=

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Asquare parking lot has 6,400 square meters what is the length in meters

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?