Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the area of the circular racetrack.(Use 3.14 for ?. Round to the nearest foot.) r = 80 ft R = 105 ft
A. 7850 ft2
B. 14,523 ft2
C. 34,619 ft2
D. 20,096 ft2
Answer: B
Mathematics
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Plot the set of points on the real number line.
A. 
B. 
C. 
D. 
Mathematics
Write the number in decimal notation without the use of exponents.2 × 105
A. 0.000002 B. 0.00002 C. 2,000,000 D. 200,000
Mathematics
Combine like terms.6x2y - 4 - 5xy2 + 7x2y - 8
A. 13x2y - 5xy2 - 12 B. 6x2y + 2xy2 - 12 C. 8x2y - 12 D. 13x2y - 5xy2 - 4
Mathematics
Joe bought 100 sandwiches for the club picnic. He paid $1.25 each for the ham sandwiches and $0.85 each for the peanut butter and jelly sandwiches. The total bill was $109.80. How many of each kind did he buy?
What will be an ideal response?
Mathematics