Welgueu Hverages
Alexis has the following grades in his math class:
REPORT CARD
Homework grades: 76, 82, 85
Quiz grades: 74, 80, 80
Test Grades: 60, 68
If the teacher weights homework at 10%, Quizzes at 20%, Tests
at 60%, what is her current class average? Please be careful
with this one the categories don't sum to 100% because she
hasn't taken her final exam yet.

i dont know

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

45

step-by-step explanation:

definitely a. the others have almost all data points on one side of the line.

step-by-step explanation: