How many tenths in 1 and half

Me what is the value of x? showing work would be appreciated - ! : )

Write the pair of fractions as a pair of fractions with a common denominator

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25