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

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Find the percent error of the measurement 4 cm

While on a train trip, marsha noticed that there were 35 people in her train car. after the next stop, there were only 21 people in her car. if p represents the percent decrease in the number of people in marsha's train car, what is p?