A scientist uses a submarine to study ocean life. • She begins 175 feet below sea level. • After descending for 6 seconds, she's 225 feet below sea level. Find the rate of change in the submarine's elevation in feet per second. Round your answer to the nearest tenth.

Describe all the numbers that when rounded to the nearest thousand are 645,000

What is the prime factorization of 195

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas