Solve the system of equations by graphing.2x - y = 3 y = 1 
A. (1, 2)
B. (2, 1)
C. (-2, -1)
D. no solution
Answer: B
Mathematics
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Find an equation for the line tangent to the given curve at the indicated point.y = x2 - 4 at (4, 12)
A. y = 8x - 20 B. y = 8x - 40 C. y = 4x - 20 D. y = 8x - 36
Mathematics
Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having 3 girls followed by 2 boys?
A. 
B. 
C. 
D. 
Mathematics
Simplify
(?a + 3?b)²
Mathematics
Solve the problem.A square plywood platform has a perimeter which is 6 times the length of a side, decreased by 8. Find the length of a side.
A. 6 B. 4 C. 2 D. 1
Mathematics