Is it weird my g f is only friends with ppl who like her or dated her ? is this a red flag

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Measure of angles 31 (x+4) (3x+9) me