Which statement is true?
a. in any right triangle, the sine of one acute angle is equal to the cosine of the other acute angle.
b. in any right triangle, the sine of one acute angle is equal to the sine of its complementary angle.
c. in any right triangle, the cosine of one acute angle is equal to the cosine of its complementary angle.
d. in any right triangle, the sum of the sine of one acute angle and the cosine of the other acute angle is 1.

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

1. how do you find p(a and b) if a and b are dependent events for two or more actions, such as selecting two candies and drawing p(green, and then pink)?

Angle 1 and angle 2 are a linear pair . m angle 1 =x-39 and m angle 2 =x+61 find the measure of each angle