Luis uses cubes to represent each term of a pattern based on a recursive function. the recursive function defined is f(n + 1) = f(n) + 4, where n is an integer and n ≥ 2. the number of cubes used in each of the first two figures is shown below. how many cubes does luis use in the third, fourth, and fifth figures of the pattern? fill in the blanks.

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Which of the following are accepted without proof in a logical system? check all that apply.

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.