I don't know how to do completing the square questions in math

If y varies inversely with x and y = 8 when x = 5, then what is y when x = 2? 4 6 10 20

If a student wanted to design an experiment that uses sound scientific principles which of the following should he or she NOT do -Start with a hypothesis -Test more than one variable at a time -Record data in a table -Compare results with others

Solve. 3 (3x+10) = 50-x

Draw a contour map of the function showing several level curves. f (x, y) = (y - 8x) 2

If you buy a bike for 20% off for $180.40 what is the original price

What is the solution to 32=3.2c

Identify the coefficients and the constants from the following expression. 3+4x-y+5x-2

Which of the following equations has the same solution as m - (-62) = 45? 1.) 25 - x = 8 2.) 120 + x = 13 3.) 120 - x = 13 4.) x + 25 = 8

The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?

What is the slope of the line through (6,9) (6,9) left parenthesis, 6, comma, 9, right parenthesis and (7,1) (7,1) left parenthesis, 7, comma, 1, right parenthesis?