How many real numbers in f(x)=x^2+x^2+2

Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section