Answer:
51
Step-by-step explanation:
a squared+2 squred=c
7×7- 10×10= 49-100= 51
c= 51
find square root of it 51= 7.14
mcmmmmmjhfj j y types and I love t
x=0.8
-5x + 4= 0
-4 -4
-5x=-4
÷5
-x=-0.8
1000
2x^2 - 12x + 16