Find the volume of the prism. 12 in 4 in 8 in

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

What is a correct first step in solving the inequality-4(3-5x)> -6x+9