Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. {(6, -8)}
B. {(-6, 8)}
C. {(x, y)| 7x + 5y = 48}
D. ?
Answer: A
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Draw a sketch of the two graphs described, with the indicated number of points of intersection.A line and a parabola; one point
A. 
B. 
C. 
D. 
Find all zeros of the function f(x) = (x - 4)(x + 3)[x + (4 + 3i)][x- (4 - 3i)].
A. x = 4, -3, -4 - 3i, 4 - 3i B. x = -4, 3, 4 - 3i, 4 + 3i C. x = -4, 3, 4 + 3i, -4 - 3i D. x = 4, -3, 4 + 3i, -4 + 3i E. x = 4, -3, -4 - 3i, 4 + 3i
Reduce the rational expression to lowest terms.
A. - 
B. 
C. 
D. 
Solve.In a distant galaxy the gravity of planet A is 217 times as strong as the gravity of planet B, so objects on planet A weigh 217 times as much as they weigh on planet B. If the object weighs 
on planet A, how much does it weigh on plant B?
A. 151 lb. B. 141 lb. C. 134 lb. D. 1410 lb.