Please show your work, if you send a link I’m reporting

What is the reflection image of (5,-3) across the line y = -x?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?