how many grams of pure water must be added to 40 grams of a 10% saline solution to make a saline solution tha is 5% salt?

Which statement about the graph of y = 8(0.25)^2

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

Write the equation in logarithmic form 8^x=64