Use the formula below to solve the given problem. In the formula, d represents the distance an object falls, in meters, and t represents the time that an object falls, in seconds. Do not include units in your answer. A rock dropped down a well takes 4 seconds to fall to the bottom of the well. What is the depth of the well?

√d= t·√4.9

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

What number is 7 units left of -15?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)