What is the name of the ray that is opposite RP?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt