Round your answer to 1 decimal place

x=

Nine more than four times a number is the same as one less than twice the number. find the number?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?