30t+20c=< 300 5t+10c=< 110. solve for t and c

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?