Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Answer: B
Mathematics
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If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(1, -3) (1, 1) (4, 3)
A. 6 B. 2.5 C. 12 D. 5
Mathematics
Solve the problem.In 1980, the population of a city was 6.8 million. By 1992 the population had grown to 9.5 million. Find the average rate of change in population from 1980 to 1992..
A. 
million per year
B. 
million per year
C. 
million per year
D. 
million per year
Mathematics
Simplify the expression. Use the distributive property to remove any parentheses.9(3n + 7)
A. 12n + 16 B. 90n C. 27n + 63 D. 27n + 7
Mathematics
Complete.7 kg = 
cg
A. 70,000 B. 7,000,000 C. 700,000 D. 0.00007
Mathematics