1)TÍnh -2, 3- . Với (1;-5), (-4:2) 2)A (1:1), B (-2:4), C (0:3)
Tìm D sao cho ABCD là hình bình hành
3)A (1:1), B (-2:3), C (0:5)
a) Tìm trung điểm của AB
b) Tìm trọng tâm của Tam giác ABC

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?