Chip is drawing a scale model of his office. The rectangular room is 10 inches by 8¼ inches. If ½ an inch represents 1 foot in the actual office, what are the dimensions of the actual office? A. 5ft by 4 1/8 ft
B. 12ft by 10 1/2 ft
C. 20ft by 16 1/2 ft
D.15 ft by 12 3/8 ft

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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?

For each proportion find the unknown number x 1/5/8=×/15