Answer:
12. The second one
13. The first one
14. The last one
15. The first one
16. 30 degrees
Step-by-step explanation:
The answer is 99. Every triangle has 180 so 28+53=81 180-81=99.
And if you say ur gonna give 20 give 20 and not 10. But its ok. Have a great day!!
Sally turned 80 degrees and got to point A from point B
Answer:
x=2 and -2
Step-by-step explanation:
f(x)=2x^2-8
set the function equal to zero to solve for x
2x^2-8=0
add 8 to both sides and divide by 2
x^2=4
take the square root of both sides to get x isolated
√(x^2)=√4
x= ±2