If the cos 90° = 0, then the sin 0° = . (1 point) 0, because the angles are complementary 1 over 2 , because the angles are complementary square root 3 over 2 , because the angles are supplementary 1, because the angles are complementary

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?