Alighthouse is located on a small island 5 km away from the nearest point p on a straight shoreline and its light makes 9 revolutions per minute. how fast is the beam of light moving along the shoreline when it is 1 km from p ? (round your answer to one decimal place.)

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

What is the result of adding the system of equations? 2x+y=4 3x-y=6