When should you use multiplacation to solve a system of linear equations by elimination

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.