The number 77 is increased to 83. What is the percentage by which the number was increased, to the nearest tenth of a percent?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75