Thu gọn đa thức sau và tìm bậc của mỗi đa thức a) A=2x^2 y^5-5x^3 y-7x^2 y^5+4x^3 y-8x^2 y^5+6x^3 y;
c) C=2x^2 y-8y^2+5x^2 y+5z^2-3y^2+4z^2

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120