If 3 x+4y =16 and 3x-4y=4 find xy. answer as soon as possible

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?