Calcule a área do círculo que tem de diâmetro a 20cm

If 1 dram equals 60 grains how many drams are in 40 grains

Sally is running a sunblock factory and there is a machine to fill the sunblock the machines can fill 150 bottles an hour and each bottle takes 20 ounces of sunblock if sally runs the machines for 10 hours at least how many gallons will sally need

Y varies directly with x, and y = 5 when x = 4. What is the value of x when y = 8

Trevor paints 1/6 of the fence surrounding his farm each day. How many days will it take him to paint 3/4 of the fence?

Factor - 4x + 24 - 4x^2

What is the area of a rectangle whose length is 12 and whose diagonal is 13?

In the Pythagorean equation, a and b represent the legs that create the right angle. True False

For the inverse variation equation xy = k, what is the constant of variation, k, when x = 7 and y = 3?

Multiply: (0.6x4) (0.2x6)

How do you solve cubic trinomials?