Apolitical scientist was interested in studying america's voting habits. so, he decided to make a least squares regression equation to predict the percentage of people that would vote for obama in 2012 based on the percentage of people that voted for obama in 2008. the least squares equation is y-hat = -4.599 +1.04x. the value of r-squared was 96.69%. what would be the value of r? group of answer choices 0.9669 0.9833 -0.9669 -0.9833 0.9349 -0.9349

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?