Triangle PQR has vertices P(2,15), Q(7,8), and R(2,3). If triangle PQR is rotated 180° about the origin what is the length of side Q'R' ?

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

answer: answer: d) v= 1/6 bh  

step-by-step explanation:

since according to the given question,   a pyramid is placed inside a prism.

step-by-step explanation:

you'll have to attache the image of the bar graph in order for us to answer : )

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."