Every two hours a scientist spends 1.75 hours observing dolphins and 2.5 hours serving sea lions at this rate how many total hours with the scientist been observing dolphins and sea lions in 10 days

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)

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i