By devaluating the bolivar, the president of Venezuela has followed the law of supply and demand. allowed the exchange rate to remain unchanged. increased the number of bolivars needed to buy one dollar. decreased the number of bolivars needed to buy one dollar.

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?