-12.405 as a mixed number in simplest form please

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

Describe what moves you could use to create the transformation of the original image shown at right

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?