Pre-calc, need some help. Which parametric equations represent y = – |x|? Check all that apply.
x = –t and y = |–t|
x = t2 and y = –|t2|
x = 2t and y = –|2t|
x = t3 and y = |t3|
x = t + 4 and y = –|t + 4|

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package