Determine the order of the matrix.
A. 2 × 4
B. 2 × 3
C. 3 × 2
D. 4 × 2
Answer: A
Mathematics
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Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to
qualify for benefits? A. at most $920 B. at most $978 C. at least $966 D. at least $690
Mathematics
Decide whether the two sequences of operations give the same result.Squaring a number, then multiplying it by 5; multiplying a number by 5 and then squaring the product
A. No B. Yes
Mathematics
Multiply or divide the fractions. Reduce to simplest form.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = cos ?Find 12g(?).
A. -6
B. 6
C. -12
D. 12
Mathematics