Can some one help me solve these 3 questions?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.