Is $0.35 per minute a unit fraction

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

What is not true about kl and mn? what is mn? (show your work)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?