Solve for p, c, s, & t: 2p+c+s=20; t+2c+s=18; c+t+2c=16; s+c+p+t=21

Figure lmno is located at l (1, 1), m (4, 4), n (7, 1), and o (4, −2). use coordinate geometry to best classify quadrilateral lmno.

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

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?