23. the nth term of a sequence is n2 + 3. find the first 3 terms of this sequence.

24. work out the difference between the 5th and 10th terms of the sequence in q23

Find the cosine function that is represented in the graph.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.