X=xmcos(wt+phi) and x=xmsin(wt+phi) are solution of equation (a+w^2x=0)

43lbs of tomatos cost $387. how much would 41lbs cost

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?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.