Answer:
10.63
Step-by-step explanation:
Pythagorean Theorem:
- Base is 7
- Height is 8
- 7^2+8^2=c^2
- 49+64=c^2
- 113=c^2
- √113=c
- √113 is about 10.63
Answer:
d : 4, 1, -2.
Step-by-step explanation:
There's no need for a calculator in my opinion because we can use the rational root theorem which states that the equations of this form:

Have rational roots, than the roots are of the form: 
Rewriting the equation we have:


Plz look at the picture below.
someone please help me comethru this is so hard