Evaluate the expression.20 + (-12) - 19 - (-12)
A. 39
B. 1
C. -23
D. 15
Answer: B
Mathematics
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Solve the problem.Ben lost $481 on each of 3 consecutive days in the stock market. If he had $16,406 before his loss, how much does he have after his loss?
A. $1443 B. $17,849 C. $15,925 D. $14,963
Mathematics
Provide an appropriate response.Solve using a system of equations: Three electricians and four helpers earned a total of $1,950 on a job. At the same rate of pay, one electrician and two helpers earned $800. Find the earnings of each electrician and each helper.
What will be an ideal response?
Mathematics
Graph the quadratic equations.y = -x2 + 4
A. 
B. 
C. 
D. 
Mathematics
Make a line graph using the given frequencies.The ages of employees of a company are summarized in the frequency table.
?
A. 
B. 
C. 
D. None of the above
Mathematics