Are the lines y = -x + 1 and 4x – 4y = 16 perpendicular? Explain. a. Yes, their slopes have product -1.
b. No; their slopes are not opposite reciprocals.
c. Yes, their slopes are equal.
d. No; their slopes are not equal

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?