Two terms of an arithmetic sequence are a5=23 and a20=98. find the first 60 terms of the sequence

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Which of the following circles have their centers in the third quadrant?