Emma changed £500 into rand before going on holiday, at an exchange rate of £1= 20.8 rand. A) how many rand did she get for her £500.

Emma spent 8000 rand on holiday. When she got home, she changed her leftover rand into pounds at the new exchange rate of £1= 19.6 rand.

B) How much money did she get back in pounds?

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.

Is the figure congruent? yes or no?

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64