A 2.P. S. 89 is having a carnival in the yard at the end of the school year
Ms. Roberson has to buy hamburgers and hot dogs. She decided to order 32 pounds of hamburgers and 24 packages
of hotdogs. Let B represent the cost per pound of the hamburger and to represent the cost per package of hot
dogs.
Write an algebraic expression that represents the total cost of buying the food.
b.
Write an equivalent expression for your answer in part (a).
c. Explain why the expressions are equivalent.

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.

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

Which strategy is used by public health to reduce the incidence of food poisoning?