The fastest texter in the world is ben cook who typed a 160-letter messge in about 40 seconds. how many letters can ben text in a second? how many letters
in a minute.

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Find the values of the variables in the kite