Which equation is equivalent to 3/2x -4y+1=0

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What is a rational number between 9.5 and 9.7

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10