Rewrite the given product as a factorial.1 ? 2 ? 3 ? ? ? ? ? 19
A. 18!
B. 19!
C. 17!
D. 20!
Answer: B
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, 0)} B. no solution; ? C. {(-1, 1)} D. {(-2, 1)}
Mathematics
Choose one of the four lines graphed which most closely resembles the graph of the given equation.y = 8x
A. 
B. 
C. 
D. 
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.24x3y4 + 50x2y5 + 25xy6
A. prime B. y4(6x + 5y)(4x2 + 5xy) C. x(6xy4 + 5y5)(4x + 5y) D. xy4(6x + 5y)(4x + 5y)
Mathematics
Solve.An inflatable circular pool has a radius of 2
ft. Approximate the distance around the pool. Use 
for ?.
A. 8
ft
B. 16
ft
C. 21
ft
D. 4
ft
Mathematics