3. The first two terms of an arithmetic sequence are 7 and 11. Which of the following is the value of its 30th
term?
(1) 123
(3) 214
(2) 127
(4) 221

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.