1. POOLS Susan designed a circular pool
with a diameter of 25 meters. What is
the area of the bottom of the pool?
Round to the nearest tenth

Solve the triangle. a = 21°, c = 105°, c = 5

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

(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.