Which ratio is equivalent to 7:3
A. 12:8
B. 49:9
C. 28:12
D. 21:7

Combine like terms to make a simpler expression 3z+z

(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.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811