A rectangle with an area of 37 units2 is dilated by a scale factor of 2. Find the area of the rectangle after dilation. Round your answer to the nearest tenth, if necessary.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

How do you find the circumfrance of a circle?

What number is 7 units left of -15?