If the reciprocal of a number is subtracted from 5 times that number, the result is –4. Find the number.

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

What is 140 squared pleas me i am dumb

Given the equation negative 4 square root x minus 3 equals 12