My school years almost over i need this grade and i have no idea where to start id be okay with someone showing me how to do it

a triangular pyramid is defined by the points .the pyramid is then reflected over the xz-plane. the reflected image is then translated 3 units back, 2 units left, and 4 units up.
write the general rule you use for the reflection.
show the results of your calculations for the reflection.
write the general rule you use for the translation. (hint: begin with the result of the rule for the reflection.)
show the results of your calculations for the translation.