The answer she most likely be d
First
angle in front of c is 30°, so hypotenuse is equal to 2c
it's right triangle, so let's use Pythagorean theorem\
Second
b - the base of the triangle, angles at the base are equal ⇒ cathets are equal
it's right triangle, so let's use Pythagorean theorem
Whatever the mean pregnancy length is, the standard deviation is 16. So it is WITHIN 32 days meaning that it could be one standard deviation of 16 back from the mean or one above the mean. And according to the empirical rule or something called like that, the percentage of one standard deviations form the mean is 68% theoretically. So 68% is your answer.
Answer:
The answer should be...144 square inches
Answer:
5
Step-by-step explanation:
253/50 is 5.06