Write the numerator and denominator of the fraction as a product of prime factors and divide by the common factors. Then write the fraction in lowest terms.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: D
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Express the vector in the form ai + bj.
if A is the point (-1, -6) and B is the point (4, -13)
A. v = 5i + 7j B. v = 5i - 7j C. v = -5i + 7j D. v = 7i - 5j
Provide an appropriate response.Evaluate 
= by first converting it to a derivative at a particular x-value.
A. - 
B. 
C. - 
D. - 
Solve.A chemist needs 130 milliliters of a 77% solution but has only 67% and 80% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 30 ml of 67%; 100 ml of 80% B. 100 ml of 67%; 30 ml of 80% C. 35 ml of 67%; 95 ml of 80% D. 35 ml of 67%; 100 ml of 80%
A diagnostic test for a certain disease has a sensitivity of 0.82 and a specificity of 0.76. The probability that a patient has the disease is estimated as 0.2. The diagnostic test is given and returns negative. What is the posterior probability that the patient does not have the disease?
What will be an ideal response?