Find the area under one arch of a cycloid described by the parametric equations
x = 3(20 - sin 20) and y = 3( 1 - cos 20). use 0 and π for the limiting values of θ .
a. 9π
b. l8π
c. 27π
d. 36π

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Shared decision making is always a positive strategy to take

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least