Simplify 7n - 1 - 9n + 5

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs