A survey was conducted to determine how many movies were seen in one month among the 26 students in Mrs. Hampton's sidh-grade class. The results are shown in the dot plot below Mrs. Hampton's Sixth-Grade Class х X Х х Х х х X X X х X Х х х х х х X X 6 7 ххо х 10 0 1 2 3 4 5 8 a) Calculate the measures of center for the data in the dot plot, rounding your answers to the nearest tenths place. Show how you determined your answer. (2 points)​

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

2,160 π

step-by-step explanation:

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."

i think it will be 4feet long of what i comprehend