Evaluate.sin(sin-1 (-0.857))
A. -0.857
B. 2.285
C. 3.999
D. 0.857
Answer: A
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Solve.The supply function for a product is given by p = q2 + 3q + 125 and the demand is given by 
where p is the price in dollars and q is the number of hundreds of units. Find the price that gives market equilibrium and the equilibrium quantity.
A. $10; 255 units B. $305; 1200 units C. $255; 1000 units D. $100; 555 units
The graphs of two equations are shown. Use the intersection-of-graphs method to identify the solution to both equations.Line A: x + y = 7Line B: y = 4
A. (0, 7) B. (3, 4) C. (4, 7) D. (0, 4)
Determine whether F is conservative. If so, find a function f such that F = ?f.
 FIGURE.png)
An urn contains 3 red and 7 green balls. A second urn contains 6 red and 4 green balls. One urn is selected and a ball is drawn from the urn. (The probability of selecting urn I is 0.2 and the probability of selecting urn II is 0.8.) If the ball drawn is red, find the probability it came from the first urn.
What will be an ideal response?