The quadratic equation h(t)=-16.1t^2+150 models a balls height, in feet, over time, in seconds, after it is dropped from a 15 story building. how many seconds, rounded to the nearest hundredth, did the ball hit the ground?

597

step-by-step explanation:

both equations and proportions are better.

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

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step-by-step explanation: