YALL I NEED HELP WITH MATH HERES THE FIRST QUESTION

x + 6 - 3x - 8

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

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

The radius of a sphere is 3 inches. which represents the volume of the sphere?