Can someone solve this and show step by step for me? This should be Grade 9 Mathematics

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Nikolas calculated the volume of the prism. his work is shown below.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6