Does anyone understand this?

Given the net of the rectangular prism, what is its surface area?

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8