Asubmarine starts out at sea level and descends vertically at a rate of 20 ½ feet per second. write an equation and solve to find out how long it takes for the submarine to reach -120.4 feet? round your answer to the nearest whole number.

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)