Water is evaporating from a pool at a rate of 5/8 of an inch per 4 1/2 hours. Find the unit rate the the water is evaporating at, in terms of inches per hour

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0