Use rational equations to solve the problems.Frank can type a report in 3 hours and James takes 4 hours. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 4 hr
D. 12 hr
Answer: B
Mathematics
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Find the coordinates of the vertex and the intercepts of the quadratic function. When necessary, approximate the x-intercepts to the nearest tenth.s(x) = -x2 - 4x + 32
A. V(-4, 32); I(0, 32); (-4, 0); (4, 0) B. V(-2, 36); I(0, 32); (4, 0); (-8, 0) C. V(4, 32); I(0, -32); (8, 0); (-4, 0) D. V(2, 36); I(0, 32); no x-intercepts
Mathematics
Divide.
A. 3 B. 2 R 5 C. 4 D. 2 R 4
Mathematics
Provide an appropriate response.Consider the matrixA = 
Without using a calculator, determine whether A-1 exists. Explain your reasoning.
What will be an ideal response?
Mathematics
Provide an appropriate response.Fill in the blank to complete the statement.The supplement of an acute angle is a(n) 
angle.
A. acute B. straight C. right D. obtuse
Mathematics