Fill out the chart representing the trig values of quadrant 1 of the unit circle (picture included)​

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.