In a survey conducted with 600 participants across the united states, 450 were found to have studied science in college. if we were to predict the population proportion with a 99.7% confidence, what would the confidence interval be? a. 69.7% to 80.3% b. 73.23% to 76.76% c. 71.46% to 78.53% d. 73.5% to 76.5%

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Write the pair of fractions as a pair of fractions with a common denominator