Given that RSTU is a parallelogram and ST is congruent to TU, explain why RSTU must also be a rhombus.

Add the fractions and simplify 1/2+ 1/3

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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