Perform the indicated operation and, if possible, simplify.
÷ 21
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the system of linear inequalities.3x - 2y ? -6 and x - 1 < 0
A. 
B. 
C. 
D. 
Mathematics
Write the first four terms of the geometric sequence whose first term and common ratio are given.a = 
, r = -10
A. 
, - 4, - 40, - 400, . . .
B. 
, - 
, 
, - 
, . . .
C. 
, - 
, - 
, - 32, . . .
D. 
, - 4, 40, - 400, . . .
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Solve the equation.6(x + 4) = 8(x + 2.8)
A. 1.6 B. 3.2 C. 0.8 D. 23.2
Mathematics
Write the whole number in standard form.500,000 + 60,000 + 800 + 7
A. 56,807 B. 506,870 C. 560,870 D. 560,807
Mathematics