Bob the builder is making 480kg of concrete mix concrete is made by mixing cement sand and gravel in the ratio1:3:4 how much sand does he need

Answer only. What is the greatest possible sum of the digits of a six-digit number that is a multiple of 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11?

How would you solve a quadratic function

Which of the following is the algebraic expression that best describes the sequence 3, 9, 27, 81, 243, ...?

The volume of a cylinder is represented by the expression B x h, where B represents the area of the base and h is the height of the cylinder.

A fish tank hold 180 gallons of water and is leaking at a rate of 8 gallons per day. Are you second fish tank hold 160 gallons of water and it is leaking at a rate of 6 gallons per day.

The lengths of the legs of a right triangle are 8 inches and 9 inches. what is the lengths of the hypotenuse? round to the nearest Ich.

Which equations define Y as a nonlinear function of X?

The surface of a cube is painted blue. The cube is then cut into equal sized smaller cubes, 12 of which have exactly 2 blue faces. How many of the smaller cubes have exactly 1 blue face?

Calculate R8 for f (x) = 6-x over 3,5

From 1960 to 1970, the consumer price index (CPI) increased from 29.6 to 38.8. If a dozen tangerines cost $0.