What is 5(−3.4k−7) (3k 21) in its simplest form

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

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 (%).

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?