Decide whether or not the modulo system forms a group.{0, 1, 2, 3, 4, 5, 6, 7, 8}; addition modulo 9
A. Not a group
B. Group
Answer: B
Mathematics
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Illustrate and find the product by the indicated method.Use repeated addition on your calculator to find 6 × 458.
A. 458 × 458 × 458 × 458 × 458 × 458 = 2748 B. 458 + 458 + 458 + 458 + 458 + 458 = 2748
Mathematics
Use the figure below in following problem. Assume E is the midpoint of AC and of BD .
Mathematics
Jim drove 288 miles. Jim's brother made the same trip at a speed 16 miles per hour slower than Jim did and required an extra 
hours. Find Jim's rate and time.
?
A. 64 mph, 2.5 hr B. 58 mph, 4.5 hr C. 64 mph, 4.5 hr D. 58 mph, 2.5 hr E. not possible
Mathematics
Give the coordinates of the vertex and sketch the graph of the equation.y = x2 - 4x + 4 
A. (-2, 0)
B. (2, -8)
C. (2, 0)
D. (-2, 8)
Mathematics