ST=21, SP=3b-11, PT=B+4
ST=SP+PT
21=(3b-11)+(b+4)
21=3b-11+b+4
21=4b-7
21+7=4b
4b=28
b=7
Answer:
What are the two common waves in nature? What happens in water waves? in water waves, water particles move in circles, indicating that these waves are a combination of transverse and longitudinal waves. Where do seismic waves occur?
Answer:
Sun is the smallest compared to the others
Answer: C. Reduce energy consumption.
Efficiency enhancements are anticipated to lessen future fuel use. By 2015, the required efficiency benchmarks found the middle value of around 35 miles for every gallon (mpg) for traveler autos and around 27 mpg for light trucks subsequent to considering the impression blend of vehicles sold inside every classification. The principles for every class are right now required to increment after some time with the goal that the benchmarks for model year 2025 vehicles are relied upon to reach around 53 mpg and 38 mpg, separately.
