How much must be deposited at the beginning of each year in an account that pays 4%, compounded annually, so that the account will contain $28,000 at the end of 9 years? (Round your answer to the nearest cent.)

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)