Which expressions are equivalent to 8 (negative 10 x + 3.5 y minus 7)? Select Two options.

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

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 happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?