Homework is worth 20 percent of final grade, 3 project are worth 15%, and final is 35%. If a student has 86 homework average, what is the students grade now? And if a students gets a 76 on second project and 77 on third project, what is the lowest grade the student can get on the final exam to get an 80% in the course?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Acircle has a circumference of 7.850 units. what is its radius?

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.