Portability and part 2 is there are 240 counters in the bag (b)work out the number of red counters in the bag (please show working out please) :)

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.

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Solve 3x-18=2y and 5x-6y=6 by elimination show work