Atour director collected $258 for 13 tour packages. tour package a costs $18 and tour b costs $22. how many of each tour package werei need the answer 15 !

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33