Holly has a rectangular garden that measures 12 m wide by 14 m long. she wants to increase the area to 255 m² by increasing the width and length by the same amount.

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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