3) Express this system as a matrix equation.

1x 2y 3z 2w = 14

x -

=

= -5

2y - z

= y - 2z 4w = 9

3z 3w = 15

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Ineed in figuring out this problem.

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.