Twelve people are at a party. Each person greets each of the other persons exactly once. How many greetings will there be in all
66
48
b. 68
d. 32
a
c.

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

A50% increase followed by 33 1/2% decrease

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .