Aboiler has five identical relief valves. the probability that any particular valve will open on demand is .95. assuming independent operation of the valves, calculate p(at least one valve opens) and p(at least one valve fails to open).

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells