A walkway forms one diagonal of a square playground. The walkway is 12 m long. How long is a side of the playground?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

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