12(4x−5)+5/2=10 solve for x pls help

Issof claims that the scale factor is 1/2. which statement about his claim is correct

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!