A sequence can be generated by using an=an−1+5, where a1=3 and n is a whole number greater than 1. What are the first 3 terms in the sequence?

3, 8, 13
5, 8, 11
3, 15, 75
5, 15, 45

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?