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. 1260
C. 1230
D. 1218
Answer: C
Mathematics
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Solve using the multiplication principle.-8a = 56
A. -7 B. -64 C. 64 D. 1
Mathematics
Solve.A rectangular field has a perimeter of 372 yd. The width of the field is 48 yd less than the length. What are the dimensions of the field?
A. Length: 234 yd, width: 69 yd B. Length: 101 yd, width: 85 yd C. Length: 117 yd, width: 81 yd D. Length: 117 yd, width: 69 yd
Mathematics
Simplify.2 ? (7 + 5) ÷ (1 + 1)
A. -6 B. 12 C. 48 D. 6
Mathematics
Simplify.(0.5)2 + (0.1)2 - 0.6
A. -0.34 B. 0.6 C. 1.8 D. -0.24
Mathematics