Joy drinks 4.5 bottles of water per day. Each bottle contains 16.5 fluid ounces.
How many fluid ounces of water does
she drink per day?
A 20.10 fluid ounces
B 64.00 fluid ounces
C 74.25 fluid ounces
D 82.50 fluid ounces

This is math and science.

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?