DINOSAURS Brad made a model of a Stegosaurus. If you multiply the model’s length by 8 and subtract 4, you will find the length of an average Stegosaurus. If the actual Stegosaurus is 30 ft long, how long is Brad’s model?

Write 17/20 as a decimal and as a percent.

Ineed with math stuff it involves graphs

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.