Answer:
ummm
Step-by-step explanation:
Area of triangle = 1/2 × b × h
The probability that Andrew has heart disease is 0.9. Andrew takes a test for the disease that has an accuracy rate of 75%. What is the probability that Andrew has heart disease and the test accurately predicts it?
Answer: The probability that Andrew has heart disease 
Also we know that the accuracy rate of test
or 
The given two events are independent.
Therefore, the probability that Andrew has heart disease and the test accurately predicts it 
<span>A mathematical sentence that contains one or more variables is sometimes called an open sentence.</span>
Answer:
$1100. She would be paid $1100 monthly.
Step-by-step explanation:
Well first off. She gets paid WEEKLY at $275.
If she was paid MONTHLY we need to multiply $275 by the amount of weeks in a month.
Typically there are 4 weeks to a month so we would do 4 * $275.
4*$275=$1100