Please ANSWER 15 POINTS
Which electric component provides energy to the circuit of a flashlight?

A.
battery
B.
motor
C.
resistor
D.
switch

(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.

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.

P= price tax is 4% added to the price. which expression shows the total price including tax?