Write the phrase as an algebraic expression: 2 more than the product of 7 and a number y

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year