Find the sum.[13 + (-8)] + [10 + (-18)]
A. 49
B. -3
C. 13
D. -23
Answer: B
Mathematics
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Use the quadratic formula to solve the equation.12y2 = 13y - 3
A. y = 
, 
B. y = 
, 
C. y = - 
, 
D. y = 3, 
Mathematics
Substitute the given values into the formula and solve for the unknown variable.I = prt; I = 25.2, p = 140, r = 0.06
A. 211.68 B. 3 C. 2.1168 D. 0.3
Mathematics
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = -x2 - 6x - 3
A. f(x) = -(x - 3)2 - 30 vertex: (3, -30) B. f(x) = -(x + 6)2 - 3 vertex: (-6, -3) C. f(x) = -(x - 3)2 - 12 vertex: (3, -12) D. f(x) = -(x + 3)2 + 6 vertex: (-3, 6)
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
1309
A. Correct B. Incorrect; should be 1419 C. Incorrect; should be 1219 D. Incorrect; should be 1319
Mathematics