Which statement is true about evaluating the expression 72 ÷ 12 + 9 - 5 on the basic calculator?
-the expression can be entered into the calculator from left to right.
-the division and subtraction must be done first, and then the addition.
-the addition and subtraction must be done first, and then the division.
-the operations can be performed in any order.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Ineed to know the answer to this algebra question.

(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.