7. A population of endangered birds decreases by 5% each year. a. If the current population is 80,000 birds, write an equation that represents the number of birds, n, in terms of the number of years, t, from the present. b. Approximately what will the bird population be after twenty-five years? Round your answer to the nearest thousand.​

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

Acircle has a circumference of 7.850 units. what is its radius?