Solve the problem.A triangular piece of glass is being cut so that the height of the triangle is 4 inches shorter than twice the base. If the area of the triangle is 224 square inches, how long is the height of the triangle?
A. 30 in.
B. 32 in.
C. 16 in.
D. 28 in.
Answer: D
Mathematics
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Classify as true or false.GCD(a, a) = a
A. False B. True
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Use factoring techniques to solve the quadratic equation.x2 + 8x + 7 = 0
A. {1, - 7} B. {1, 7} C. {7, 0} D. {- 1, - 7}
Mathematics
Solve the problem.There are two types of tickets for a school play: tickets for children under 11 and adult tickets. The total cost for one child's ticket and one adult's ticket is 
The total cost for 9 children's tickets and 8 adult tickets is 
How much does an adult ticket cost?
A. $6 B. $7 C. $9 D. $2
Mathematics
Evaluate.-94
A. 6561 B. -36 C. -6561 D. 36
Mathematics