What percent is equal to the decimal 0.13? a. 0.013% b. 1.3% c. 13% d. 130%

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Precalculus question, image attached.