The population density of a city is 1,148 persons per square mile. If 40,173 people live in the city, what is the approximate land area of the city?
А.
6 square miles
B.
35 square miles
C.
70 square miles
D.
1,225 square miles

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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