A family daycare center charges a one-time $ 80 enrollment fee and $ 90 per week (w) Write an equation for the total cost (t) based on the number of weeks (w) that a child is enrolled.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

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(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.