please help if you answer I will give you brainliest also you smart just please explain to me how you got the answer if you don't know the answer you smart to just don't answer the question for points thx

Percent increase and decrease. original number: 45 new number: 18

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90