Alvin made a scale drawing of a house and its lot. The scale he used was 13 millimeters : 6 meters .
The actual width of the lawn in the backyard is 18 meters. How wide is the lawn in the drawing?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?