Please help! It's about systems of equations. Answer correctly i will mark brainliest

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54