Marissa has 6 pencils gives away 3. she buys 4 more pencils and loses 2 pencils. she buys 5 more pencils and now she has 25 pencils. how many pencils did she start out with?​

Which of the following three dimensional figures has a circle as it’s base

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.