Manuel has $600 in a savings account at the beginning of the summer. he wants to have at least $300 in the account at the end of the summer. he withdraws $28 each week for food. which inequality represents w, the number of weeks manuel can withdraw money while not dropping below a $300 balance?
28-600w < 300
28-600w > 300
600-28w < 300
600-28w > 300

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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.