Please help me with this! An engineer is drawing plans for a new water tower. The tower is 82 feet tall and the tank is circular with a diameter of 26 feet.
a. The engineer builds a model of the tower with a scale of 1 inch : 5 feet. What are the dimensions of the model?
b. Suppose the engineer decides to build a second model such that the height of model is 20 inches. What is the scale for the model?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?