If you buy 4 balloons and the total price is 6 how much is each balloon

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

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

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h