among all pairs of numbers (x, y) such that 3x+y=15, find the pair for which the sum of squares, x^2+y^2, is minimum. write your answers as fractions reduced to lowest terms.

The table above shows approximate conversions from gallons to liters. what is the value of x?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.