Solve the problem.A boat can go 102 mph in still water. It takes as long to go 560 mi upstream as it does to go downstream 630 mi. How fast is the current?
A. 1 mph
B. 7 mph
C. 6 mph
D. 5 mph
Answer: C
Mathematics
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Collect like terms.
x3 - x + 8 + 
x3 + 8x - 4
A. 
x3 + 7x + 12
B. 
x3 + 7x + 4
C. 
x3 + 7x + 4
D. 
x3 + 9x+ 4
Mathematics
Solve the proportion.
= 
A. 
B. 21
C. 
D. 
Mathematics
Solve the equation.
= 3 + 
A. {-90} B. {45} C. {90} D. {-45}
Mathematics
Write the number in scientific notation..0000060316
A. 6.0316 × 10-5 B. 6.0316 × 10-6 C. 6.0316 × 106 D. 6.0316 × 10-7
Mathematics