the area of a forest has been decreasing at a rate of 14% each year. The forest has a total area of 38.6 square miles. 3a.)Write an exponential decay model to find for any given number of years. 3b.)how many years would it take for the forest to be around 21 square miles in area? 3c.) If this continues, what will be the area in 15 years?

What is 1/2 x (6 x 4)+3 + 2 show your work

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

The interior angles formed by the sides of a hexagon have measures that sum to 720°. what is the measure of angle a? enter your answer in the box. m∠a= °