For combining like terms: it is 7z
<span>the series of xcosx is x summation from k = 0 to k = infinity of ((-1)^k x^2k)/(2k)!</span>
If two angles are supplementary, their sum equals 180 degrees
Answer:The diameter is 12cm
Step-by-step explanation:
Answer: A
Step-by-step explanation: SORRY IF I GET IT WRONG