Write expanded notation.384
A. 3 thousands + 8 hundreds + 4 tens
B. 3 hundreds + 8 tens + 4 ones
C. 4 hundreds + 8 tens + 3 ones
D. 384 hundreds
Answer: B
Mathematics
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Solve the inequality.-9(x + 2) + 6 ? -7(x - 3) + 7
A. [-20, ?) B. [20, ?) C. [-40, ?) D. (-?, -20]
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Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-23 ? -3x - 2 ? -8
A. [2, 7]
B. (2, 7)
C. (-7, -2)
D. [-7, -2]
Mathematics
Solve the equation for ? if 
. Do not use a calculator.
?
?
A. 120°; 240° B. 150°; 330° C. 60°; 240° D. 45°; 225° E. 30°; 120°
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.sin 1°
A. 0.84 B. 0.02 C. 0.96 D. 0.14
Mathematics