A perpetuity pays $290 per year and interest rates are 6.6 percent, how much would its value change if interest rates increases to 8.1 percent?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?