Answer:
-1
Step-by-step explanation:
The sum of -1/2 and -5/10 is -1.
This is the answer step by step
Answer:
x=34
Step-by-step explanation:
34*2=68
68+22=90
A complementary angle adds up to 90 degrees.
Answer:
x=10
Step-by-step explanation:
The two triangles are similar since each triangle is the same shape of right triangle but different sizes. To find x, write a proportion between two equal ratios of side lengths.

Solve by cross multiplying.
28(3x) = 20(4x+2)
84x = 80x + 40
4x = 40
x=10
Answer:
(-2,-4) and (4,-6) are the plot points. I wasn't really sure about what your question was exactly so I hope this helps.