Aworker at a local aquarium is instructed to estimate the population of sardines in the tank. she catches 920 sardines, marks them with special paint, and returns them to the tank. then she catches 870 sardines and finds that 87 of them are marked. to the nearest whole number, what is the best estimate for the sardine population?

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok