求解三道SAT （Test Prep booklet）上的~沒有的話請在這里解答,
23.the diameter and height of a right circular cylinder are equal.If the volume of the cylinder is 2,what is the height of the cylinder?A.1.37 B.1.08 C.0.86 D.0.80 E.0.68
30.The linear regression model C=-1.02F+93.63 is based on an analysis of nutritional data.C:carbonhydrats,F:fat .Based on this model,which of the following statements must be true.
"when 20 percent of calories are from fat,the predicted precent of calores form carbonhydreats is approximately 73."這句話對嗎?
33.The number of hours of daylight,d,in Hartsville can be modeled by d=35/3+(7/3)*sin(2 pi *t /365 ) where t is the number of days after March 21.The day with the greatest number of hours of daylight has how many more daylight hours than May.