Find the center and radius of the circle with the given equation. (x + 2.4)2 + 
2 = 
A. (0.75, -2.4); r = 
B. (-2.4, 0.75); r = 
C. (0.75, 2.4); r = 
D. (2.4, -0.75); r = 
Answer: B
Mathematics
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Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.2x3 + 2x2 - 40x
A. 2x(x - 4)(x + 5) B. 2x(x + 4)(x - 5) C. (x - 4)(2x2 + 10) D. (2x2 + 8x)(x - 5)
Mathematics
Solve and check the equation.x - 15 = -4
A. {-19} B. {11} C. {-11} D. {19}
Mathematics
Factor by grouping.10a3 - 4a2b - 15ab2 + 6b3
A. (2a2 - 3b2)(5a - 2b) B. (10a2 - 3b2)(a - 2b) C. (2a2 + 3b2)(5a + 2b) D. (2a2 - 3b)(5a - 2b)
Mathematics
Solve.A storehouse stores 720 different inventory items. 
of these items are perishable. How many of the inventory items are perishable?
A. 213 items B. 219 items C. 72 items D. 216 items
Mathematics