Given that 1,000 meters is equal to 1 kilometer, convert 16,000 meters to kilometers.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.