Discover Questions

What spider is this!!!??? We are in South America and this thing landed on my hand!!!? Solve the Differential equation. (2x + y + 1) y' = 1? Please help!
B first part and C Thank you? Reverse the order of integration and then evaluate the integral ∫ (125 to 0) ∫ (5 to 3) 1/y^4 + 1 dy dx?
Please help? How do you measure the volume of a cube?