Answer:
9.2
Step-by-step explanation:
to find the third side you need to use the Pythagorean Theorem, which is a²+b²=c². In this case, 6²+7²=c², or 36+49=c². c²=85, so do the square root of 85 to get the length of c, which is 9.2.
Well, 7% of 450 is 31.5. The error can go either way (too much or too little) so 450 - 31.5 = 418.5. We also do 450 + 31.5 = 481.5. The statement would be
Book mass = >418.5 and <481.5.
(This could be wrong, I haven't done this much before.)
I don’t know if this counts/works but here ya go :D - basically the two numbers are -58 + 41 :))
Answer would be 35 as minus times minus is positive
