I don't know 6 but 7 is c or the third one
If two angles are complementary, the sum of their measures is 90 degrees. Call one of the angles x. This means that its complement is 90 - x degrees. But the difference in their measures is 12 degrees.
3 is the 10 billions place
the surface area of the above triangular prism is 156 square inches.
Step-by-step explanation:
multiply the sum of the triangle sides by the height of the prism and add the values together for the answer, remembering to include the correct unit of measurement.
Answer:
c= -9
Step-by-step explanation:
19-4c=17
+19 +19
-4c= 36
divide by -4
c= -9