Questions in Grade High-school

Questions in Grade High-school

[Homework Help] What percentage of 1457 is 898?

[Homework Help] What are two human uses for mosses?

[Homework Help] If [tex]x^5y^4z^2 < 0[/tex], which of the following must be true? I. [tex]xy < 0[/tex] II. [tex]yz < 0[/tex] III. [tex]xz < 0[/tex]

[Homework Help] Heating zinc sulfide in the air causes the formation of what compound?

[Homework Help] Indicate which pattern of evolution is shown by the many species of finches on the Galápagos Islands.

[Homework Help] During an investigation, a student determines that a copper sample has a density of 8.10 g/mL. What is the student's percent error if the accepted density for copper is 8.96 g/mL?

[Homework Help] What is the value of [tex]6P6[/tex]? A. 1 B. 36 C. 720 D. 46,656

[Homework Help] A patient needs to receive 35 mg of amoxicillin orally. The drug is available in a strength of 100 mg/tsp. How many teaspoons of the drug must the patient swallow to receive the correct dosage?

[Homework Help] The Earth has a radius of 6,400 kilometers. A satellite orbits the Earth at a distance of 12,800 kilometers from the center of the Earth. If the weight of the satellite on Earth is 100 kilonewtons, what is the gravitational force on the satellite in orbit?

[Homework Help] It is likely that Earth could lose half of its species in the next ____________ years. A. 50 B. 100 C. 500 D. 1000