Solve by the substitution method.8x - 7y = -32-5x - 2y = 20
A. {(-4, 0)}
B. {(-5, 1)}
C. {(x, y)|8x - 7y = -32}
D. ?
Answer: A
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Find the indicated probability. Round your answer to 6 decimal places when necessary.In January in a certain city the unconditional probability of rain on any given day of the month is 0.400. But the probability of rain on a day that follows a rainy day is 0.600 and the probability of rain on a day following a nonrainy day is 0.250. Find the probability that January 1st and January 2nd are rainy and that January 3rd and 4th are not rainy given that December 31st was clear all day.
A. 0.072 B. 0.024 C. 0.045 D. 0.038
The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = - t3 + 2t2 - 2t, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 2 m/sec, 0 m/sec2 B. 6 m/sec, -2 m/sec2 C. -6 m/sec, -8 m/sec2 D. 6 m/sec, -8 m/sec2
Find the area bounded by the curve  FIGURE 1.png)
and the line 2.5.
What will be an ideal response?
Find the slope of the line through the given pair of points.(-6, -3) and (4, 4)
A. - 
B. 
C. - 
D. 