Solve the formula for the indicated variable.S = 2?rh + 2?r2, for h
A. h = S - r
B. h = 
C. h = 2?(S - r)
D. h = 
- 1
Answer: B
Mathematics
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Solve the problem.A sample of 1,000 g of lead-210 decays to polonium-210 according to the function given by 
where t is time in years. What is the amount of the sample after 70 years? Round the answer to the nearest gram.
A. 77 g B. 106 g C. 9,393 g D. 29 g
Mathematics
Simplify by using the order of operations. Round your answer to the nearest hundredth.46.6 - 7.2 ? 4.4
A. 35.0 B. 303.84 C. 14.92 D. 196.24
Mathematics
Perform the indicated operations and write the result in standard form.(3 + 
) (5 + 
)
A. (15 - 
)+ (3
+ 5 
)i
B. 9 - 8
i
C. 21 + 48i
D. (15 + 
)- 21i
Mathematics
Find the mode of 5, 8, 2, 3, 1, and 6.
What will be an ideal response?
Mathematics