Andrew has three times as many pens as owen. together they have 20 pens. how many pens andrew have?

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.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Ihave trouble finding the nth term of a linear sequence