Hey mate i really need it
if you can explain your answer pleaseee​

2÷6+1/2 to the second power plus one

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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