Modular arithmetic
Pls a little explaine it

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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.