1. Which is the counterexample to the following conjecture? If a number is divisible by 3, it must also be divisile by 9.
18
21
27
O
54

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!