It is given that x = -1 is a root of the equation kx^2 + (k^2 + 1)x + 3 = 0, where k is a constant.
find
a) the possible values of k
b) the other root of the equation

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

How do you convert 1.27 to a percentage

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.