Solve the problem.A collection of dimes is arranged in a triangular array, with 11 coins in the base row, 10 in the next, 9 in the next, and so forth. Find the value of the collection.
A. $0.66
B. $13.20
C. $3.30
D. $6.60
Answer: D
Mathematics
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Simplify. 
A. 
B. 
C. 
D. p - 8
Mathematics
Write the sum without sigma notation and evaluate it.
A. 
+ 
+ 
= 24
B. 
+ 
+ 
= 14
C. 
? 
? 
= 84
D. 
+ 
= 10
Mathematics
Provide an appropriate response.Solve the equation by using quadratic formula. Use a calculator and give your answer by rounding off to 2 decimal places: .5x2 - 4.8x + 1.9 = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor completely. If the polynomial is prime, state this.36x2 + 21xy + 3y2
A. (3x + y)(3x + 3y) B. (9x + 3y)(4x + y) C. 3(3x - y)(4x - y) D. 3(3x + y)(4x + y)
Mathematics