The first step in the problem-solving procedure is not choosing a variable, but rather translating the main idea into symbols.
?
If you subtract fifteen from twice a number, the result is three. What is the number?
?
A. 9
B. -6
C. 6
D. -9
E. -13.5
Answer: A
Mathematics
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Write the number in scientific notation. ? 22,250.4 ?
A. 2.22504 × 102 B. 22,250.4 × 102 C. 22,250.4 × 104 D. 2.22504 × 104 E. 2.22504 × 103
Mathematics
Solve the equation.
- 
= 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A salesperson gets a commission of $1200 for the first $10,000 of sales, and then $600 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of 
A. $3600 B. $2700 C. $3300 D. 3900
Mathematics
Simplify.4{[6(x - 1) + 2] - [2(3x - 1) + 2]}
A. 0 B. -16 C. 48x - 16 D. 12x - 4
Mathematics