Which value is a solution to this inequality x < 4

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

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?