A scientist mixes water (containing no salt) with a solution that contains 35% salt. She wants to obtain 105 ounces of a mixture that is 30% salt. How many ounces of water and how many ounces of the 35% salt solution should she

water:
Salt solution:

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Which of the following will form the composite function?