A chemical solution contains 2% calcium. How much calcium is in 2.5 ml of solution?

Math each whole number with a rational,exponential expression

Which graph represents the equation y =4x

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?