Please help I need to get this done. 7th grade work! robert watched a beetle and a spider on the sidewalk. the beetle crawled 5/8 of a yard and the spider crawled 1/2 of a yard. how much farther did the beetle crawl than the spider? Write answer as a fraction or as a whole number or mixed number.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?