Which pair of expressions is equivalent? a. 2(x + 5) and 2x + 10 b. 3x – 6 + 4x + 9 and 7x + 15 c. 4(y – 2) and 4y – 2 d. 5y + 12 – 3y and 2y – 12

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

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

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp