Allison earns a 10% commission on her weekly sales. Each week, she puts 1/5 of her commission in a savings account and uses the amount remaining 5 on bills. If Allison's sales for one week were $2,300.00, how much money does she use for bills? A. 1,656.00
B. 414.00
C. 184.00
D. 46.00​

4 + 5 7/9= 9 7/9

step-by-step explanation:

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

x^2 + 81

we can factor this using difference of square binomials.

rewrite the equation:

x^2 - (-81)

factor:

(a^2 - b^2) = (√a^2 + √b^2)(√a^2 - √b^2)

(x^2 - (-81) = (x + √-81)(x - √-81)

we can remove the - from under the radical by multiplying it by i.

(x^2 - (-81) = (x + i√81)(x - i√81)

(x^2 - (-81) = (x + 9i)(x - 9i)

we can check our answer by using foil:

x^2 - 9ix + 9ix - 81i^2

x^2 - 81^2

i^2 = -1

x^2 + 81