The price of the coat was $160. the price increased by 25%. a month later josie bought the coat at a 25% discount sale. how much did josie pay for the coat?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

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.