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a cliff on the seashore is eroding at the rate of 17 centimeters per year. write and solve an equation to find the number of years in which the cliff will erode 85 centimeters. show work.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

(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.

Which graph of a hyperbola represents the equation 16x^2-y^2=16