A keyboard cost -P400. On sale the price is
reduced to to P360.
calculate the percentage
decrease.​

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?