Which of the following functions has an inverse that is not a function?
a. y=x
b. y=2x+1
c. y=x

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

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?