Sheila bought a box of 25 headbands. when she arranged the headbands by color, she saw that 4 were green, 4 were red, 13 were blue, and 4 were pink. what is the percent of blue headbands she bought? a.13% b.26% c.39% d.52%

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Factor this polynomial completely x^2-64

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.