Answer:
1 is 90
2 is 52
Step-by-step explanation:
1 is a right angle so its 90
for 2 angles in a triangle equal to 180
so 180-90-38 is equal to 52
Answer:
x^2+9x+14
Step-by-step explanation:
x×(x+7)+2×(x+7)
x^2+7x+2x +14
x^2+9x+14
The formula of a midpoint:

D is midpoint of TR.
We have T(-2a, 0) and R(-2b, 2c). Substitute:

<h3>Answer: b. (-a - b, c)</h3>
3. D-21
4.C-32
Sorry i couldnt see the answers to number 5