Solve the problem.John does 12 pushups on the first day of a 30-day month, and then increases the number of pushups by 2 pushups a day. How many pushups has he done by the end of the month?
A. 1290
B. 1230
C. 1260
D. 1218
Answer: B
Mathematics
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Write an equation in standard form using only integers for the line described.The line with slope 
, going through (0, 7)
A. 7x - 5y = 35 B. 5x - 7y = -35 C. 7x + 5y = -35 D. 7x - 5y = -35
Mathematics
Round to the indicated place value.Round to the nearest thousandth: 15.38568
A. 15.3856 B. 15.3857 C. 15.386 D. 15.39
Mathematics
Solve the equation.
- 
= 1
A. {3} B. ? C. {3, -1} D. {-3, -1}
Mathematics
Solve the system by substitution. If the system is inconsistent or dependent, say so.y = 3(x + 7) y = -4(x - 7)
A. (1, 24) B. (-1, 11) C. (-1, -24) D. (1, -11)
Mathematics