Which tools can be used for inductive reasoning?

select each correct answer.

deductive reasoning

observation

experimentation

facts

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Me. i can't figure out this question. give an explanation too. .