What is -1 3/5 divided by (- 2/3)

What is the rate for one gallon of gasoline

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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!