Answer: I think it is -7 and +7
Answer: 49
Step-by-step explanation: angle BCA is congruent to angle DCA therefore they are the same measure
Standard form is like
ax + by = c
4y - 3 = -5x
5x + 4y - 3 = 0
5x + 4y = 3 <----- answer
This sequence is arithmetic because it has a common difference of 4.
Hope this helps
