Which of the following expression represents the given statement the sum of 15 red balls and 50 yellow balls is greater than 400 a. 15r +50y>400
b. 15y +50r>400
c. 15r +50y (greater than or equal)400
d. 400 =15r+50y

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Ineed me i stuck and i don’t want to get it wrong

What is the solution to the equation below? 3/x-2+6=square root x-2 +8