Perform the indicated operations.Estimate by rounding so that there is only one nonzero digit, then find the actual sum.3,415 + 172 + 97 =
A. Estimate: 4300
Actual: 3682
B. Estimate: 3000
Actual: 3694
C. Estimate: 3300
Actual: 3684
D. Estimate: 3200
Actual: 3587
Answer: C
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Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
-4
A. 
B. 
C. 
D. 
Change the fraction or mixed number into an equivalent decimal. Use bar notation to write repeating decimals. - 
A. -1.125
B. -0.
C. -2.25
D. -0.225
Find the simple interest. Round your answer to the nearest cent.Principal = $18,800Rate = 4%Time in years = 6
A. $12,533.33 B. $451.20 C. $783.33 D. $4512.00
Find an equation of a parabola satisfying the given conditions.Focus at (8, 3), directrix y = -1
A. (x - 3)2 = 8(y - 1) B. (x - 8)2 = 8(y - 3) C. (y - 3)2 = 8(x - 8) D. (x - 8)2 = 8(y - 1)