. An object attached to the end of a spring is oscillating up and down. The displacement of the object, y, in centimeters, is a function of the time, t, in seconds and is given by y=2.4cos(t)-.3y = 2.4 cos ( t ) − .3 . Find the first time it reaches a) .9 centimeters and b) 2.1 centimeters.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Find the quotient with the restriction.