Brandy has an 84 homework average, a 91 quiz average, and an 86 final exam average in her Algebra 2 class. If Homework is 40% of her grade, Quizzes are 40% of her grade, and the Final Exam is 20%. What is her class average?

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

30

step-by-step explanation:

idk

i hope i