Atree makes a shadow that is 14 ft long. rachel is 6 ft tall. when she id standing near the tree, her shadow is 3.5 ft long. which statement best explain why rachel can use a proportion to estimate the length of the tree?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Im literally having a mental breakdown

Find the missing dimension! need asap! tiny square is a =3025 in ²