Find the angles a, b,c and d

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.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?