If i set a goal of signing up 30% of customers to receive emails. that means that if i speak to 130 customers today i need to collect email addresses from ?

What values of c and d make the equation true?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square