If f(x) = 3x + 5/x, what is f(a + 2)?
O A. 3( f(a))+5/f(a)+2
O B. 3a + 5/a + 2
O c. 3(a+2)+5/a+2

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Can someone me out here number 4 plz

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?