The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find cos ?.
A. - 
B. - 
C. 
D. 
Answer: C
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Name the conic or limiting form represented by the given equation.8x2 - y2 - 48x + 8y - 144 = 0
A. Hyperbola B. Intersecting lines C. Point D. Ellipse
Sketch the given surface.z = x2 + 4y2
What will be an ideal response?
Solve the problem.On a certain map, 1 inch equals 20 miles. How many miles are in 2
inches?
A. 55 miles
B. 13 miles
C. 10
miles
D. 7
miles
Solve the problem.Each ounce of a sweetened yogurt contains 35 calories, while each ounce of a "light" version of the same yogurt contains 8 calories. Write a formula that gives the number of calories C in x ounces of sweetened yogurt. Write a formula that gives the number of calories C in y ounces of "light" yogurt. If a person eats a 4-ounce container of "light" yogurt rather than a 4-ounce container of sweetened yogurt, what is the calorie difference?
A. C = 35x; C = 8y; 108 B. C = 35 + x; C = 8 + y; 172 C. C = 35 ÷ x; C = 8 ÷ y; 43 D. C = 35x; C = 8y; 216