Solve this problem. the hiking trails in roman nose park are 3.6, 7.9, 10.4, 5.7, and 3.5 miles long. cindy and geoff hiked two of the trails for a total of 9.3 miles. what were the lengths of the trails they hiked? 3.6 and 7.9 miles 3.5 and 7.9 miles 3.6 and 5.7 miles 3.5 and 5.7 miles

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2