Find the total surface area of the triangular pyramid A. 98.6 ft

B. 123.6 ft

C. 99.5 ft

D. 201 ft

E. 103 ft

F. 118.1 ft

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?