Translate this phrase into an algebraic expression. 54 decreased by twice a number . Use the variable n to represent the unknown number.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

(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.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?