What is the nth term rule of the quadratic sequence below?
−
7
,
−
6
,
−
3
,
2
,
9
,
18
,
29
,
.
.
.

Simplify the following expression 48^1/2

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

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