Write -5 3/5 as a decimal number

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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