Indicate any inputs that must be excluded and then solve the equation. Factoring of the quadratic equation may be helpful.
Mathematics
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Decide whether the figure is convex or concave.
A. Convex B. Concave
Mathematics
Solve.
- 
= 
A. {x|x is a real number and x ? 0 and x ? 7}
B. ±
i
C. ±7i
D. No solution
Mathematics
Solve the problem by estimating.Paul travelled for 3 weeks in Africa last year and spent $978 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
A. $60 B. $500 C. $600 D. $50
Mathematics
Multiply.0.036
A. 0.0018 B. 0.00018 C. 0.018 D. 0.18
Mathematics