Which function is equivalent to
y=5x^(2)-10x+1

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.

Which expression is rational? 6. , square root two, square root 14, square root 49

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m