brett is joining a new gym. he can join power plus or heavy hulk. at power plus, it will cost $34.14 per month, plus a sign-up fee of $20.00. at heavy hulk, it will cost $34.39, plus a sign-up fee of $32.50. right now, heavy hulk is cutting their sign-up fee in half for new members. if brett signs up at a gym today, after how many months will the cost of the memberships be the same?

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.