Multiply using the foil method, then combine. This will give you -9+27i
The answer is A 10/27 is 0.370370..
Answer:
a. 0.1587
b. 0.8849
c. 0.1814
Step-by-step explanation:
a. Given that 
-The probability a randomly selected score is greater than 30.4 is calculated as:

Hence, the probability of a score greater than 30.4 is 0.1587
b. Given that 
The probability a randomly selected score is less than 32.8 is calculated as:

Hence, the probability that a randomly selected score is less than 32.8 is 0.8849
c. The probability that a score is between 25.6 and 32.8 is calculated as follows:

Hence, the probability is 0.1814
The sum of length and width is half the perimeter, so is (70 in)/2 = 35 in. Since this is the sum of length and width, if we add 5 inches, it will be twice the length. That is ...
... length + width = 35 in
... length + (width + 5 in) = (35 in) + (5 in)
... 2×length = (35 in) + (5 in) = 40 in
The length of the rectangle is 20 inches.