Which algebraic expression represents the phrase "seven more than half of a number"? 07-1/2x
0-7+ 1/2x
o 1/2x+7
0-1/2x -7

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

What does the relationship between the mean and median reveal about the shape of the data

(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.