Idon't know what is the rule i know that this graph is a exponential decay table i don't know how to find the rule can anyone me

Three coins are flipped. what is the probability that there will be at least two tails?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).