I have a 99.17% in Math class. I did a test and got 50%. How much will I have as a score in class now?

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 distance between point a and b

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.