Simplify each square root expression. describe the simplified form of the expression as rational or irrational. in your final answer, include all of your work. 1) square root of 121 2) square root of 48 ((worth 30 points and the brainliest answer))

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 midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Tell whether the two rates form a proportion