On a city map drawn on a coordinate plane, the city park is located at (4,9) and the school is at (20,9) what is the distance and the school in the map units?
a. 5 units
b. 11 units
c. 16 units
d. 24 units

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)