3. A bakery orders vanilla beans at a cost of $12.45 for a package of 10. There is a shipping cost of $6.00 for all
sizes of shipments. Which of the following shows the
equation solved for p, the total number of packages
purchased, where c is the total cost of the order.

Can you explain it please?

Have to make a equation only

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

(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.