4 and 1
Step-by-step explanation:
Supplementary means the angle is 180 degrees so 4 is the only complete obvious 180 degree angle and 1 just cause i know it can't be 5.
Step-by-step explanation:
it it can be calculated by using the quadratic formula.
X=-b+_(√b^2-4ac)/2a
Answer:
D (X and Z)
Step-by-step explanation:
The value of 7 is 7 because it is in the ones place
The answer is D. 21 because your multiplying 3 and 7