A speck of dust is 1.5 x 10- m wide. Which of the following is the best way to rewrite this quantity, using more appropriate units?
O A. 1.5 x 10-6 mm
OB. 1.5 x 10-4 cm
OC. 1.5 x 10- mm
O D. 1.5 x 10-° km

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Solutions for 2x+7 less than or equal to 3x-5

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?