Which of the following expressions are equivalent to 2/x^8-y^8? choose all that applya.2/(x^4-y^4)*1/(x^4+y^4)b.2/( x^4)^2-(y^4)^2c.2/(x4-y^4)*1/(x^4-y ^4)d.1/(x^4-y^4)*1/(x^4+y^4)

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Which table represents a linear function? i'll give brainliest to first answer ^'^

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?