If your values are the following Test (45%), Final Exam (20%), Homework (30%), & Class Participation (5%). What is your final average under this grading system? Test
average 82, Final exam average 65, Homework average 90, Class participation 95.
A. 81.65 B. 81.92 C. 88.75 D. 78.80

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

If rt is greater than ba, which statement must be true ?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30