Mr. robinson has 20 students on his martial arts class. the ratio of boys to girls is 4: 1. how many boys and giris are in mr. robinson's class?

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.

Which of the following is the shape of a cross section of the figure shown below

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?