Factor completely. If the polynomial cannot be factored, say it is prime.15x2 - 65x - 50
A. (15x + 10)(x - 5)
B. 5(3x - 2)(x + 5)
C. 5(3x + 2)(x - 5)
D. prime
Answer: C
Mathematics
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Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this.
= 59x = 10 + 15y
A. 
B. Infinite number of solutions
C. 
D. No solution
Mathematics
Use a calculator to find the value of the expression rounded to two decimal places.cos-1 
A. 0.80 B. 44.42 C. 45.58 D. 0.78
Mathematics
Find the indicated term of the arithmetic sequence.6, 5.2, 4.4, . . . ; a9
A. -1.2 B. -0.39 C. 0.4 D. -0.4
Mathematics
Decide whether the statement is true or false. If it is false, tell why.If k = 0, then x2 = k will have exactly one real solution.
A. True B. False; the equation will have two real solutions. C. False; the equation will have no real solution.
Mathematics