Simplify the complex fraction.t + 
A. 
t
B. 
t
C. 
t
D. - 
t
Answer: C
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Solve the following graphically. If necessary, round answers to the nearest thousandth.log(x3) = (log(x))3
A. 1, 0.138 B. 1, 3 C. 1, 0.019, 53.957 D. 0, 1
Solve.A brick staircase has a total of 12 steps The bottom step requires 109 bricks. Each successive step requires 5 less bricks than the prior one. How many bricks are required to build the staircase?
A. 1,956 bricks B. 948 bricks C. 978 bricks D. 1,638 bricks
Find the focus and directrix of the parabola with the given equation.5y2 = -4x
A. Focus: 
, directrix: x = 
B. Focus: 
, directrix: x = - 
C. Focus: 
, directrix: y = 
D. Focus: 
, directrix: y = 
Solve the problem.A certain clinic has 400 patients, each of whom is being treated for heart disease or diabetes. Suppose that 300 are treated for heart disease and 75 are treated for heart disease and diabetes. (a) How many patients are treated for diabetes?(b) How many patients are treated only for heart disease?
Fill in the blank(s) with the appropriate word(s).