Solve the formula for the indicated variable.I = 
for n
A. n = 
B. n = IR(Ir - E)
C. n = 
D. n = 
Answer: D
Mathematics
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 2, 0 ? y ? 5},R1 = {(x, y): 0 ? x ? 2, 0 ? y ? 4}, andR2 = {(x, y): 0 ? x ? 2, 4 ? y ? 5}. Suppose, in addition, that
dA = 5, 
dA = 5, and 
dA = 2.Use the properties of integrals to evaluate 
dA.
A. 16 B. 70 C. 30 D. 11
Mathematics
Place the correct symbol, < or >, in the blank between the decimals. -0.38 
-0.35
A. > B. <
Mathematics
Find the product of the sum and difference of two terms.
A. x2 - 16x - 6
B. x2 + 16x - 6
C. x2 - 
D. x2 - 16
Mathematics
Solve the problem.In a survey of 2000 lawyers, 20 lawyers said they planned to exercise more this year. What percent of those surveyed planned to exercise more this year? Round to the nearest whole percent.
A. 200% B. 20% C. 10% D. 1%
Mathematics