8. stephanie is a very good soccer player. she can kick a soccer ball with an initial velocity of 21.3 m/sec. the function that represents the height of the ball with respect to time is ℎ = −4.92 + 21.3. about how many seconds will it take for the ball to hit the ground?

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?