Answer:
Well it's 5x
Step-by-step explanation:
Idk why the answer's so complicated.
Answer:
ADB and ABC are similar
x = 8
Step-by-step explanation:
hypotenuse in ADB = 
since two triangles are similar,

solving for x, x=8
The first thing you would do is subtract 10 from 70 then multiply that by 4 the answer to the whole q is 240 calories. Good luck!