Questions in Grade High-school

Questions in Grade High-school

[Free] A 2-pound box of salt sells for $0.89, and a 5-pound box sells for $2.09. What is the linear equation for this?

[Free] What does an unconformity in a sequence of rock layers reveal about geologic history? A. A rock layer must have turned upside down. B. A layer of rock might have eroded. C. The layers must cover hundreds of square miles. D. The layers must have been deposited very quickly.

[Free] Sumo wrestlers in Japan are well known for their dedication, discipline, and very large bodies. A young sumo wrestler decides to go on a special high-protein diet to gain weight rapidly. After 4 months on this diet, his mass is 100 kilograms. After 14 months, his mass is 160 kilograms. Let's assume that the sumo wrestler's mass changes at a constant rate while he is on this special diet. What was the wrestler's mass in kilograms when he began his diet?

[Free] Solve the following system of equations using the substitution method: \[ 2a = 8 \\ a + b = 2 \]

[Free] Which of the following was not a direct influence on the "Pursuit of Happiness" concept within the Declaration of Independence? A. Essay on the Principles of Morality & Religion B. The Gettysburg Address C. Virginia Declaration of Rights D. Causes and Necessity of Taking Up Arms

[Free] If [tex]T(n) = 2n + 3[/tex], what is the 3rd term?

[Free] In what way was the empire of Ghana different from the later empire of Mali? A. Ghana was ruled by Malinke leaders, and Mali was ruled by Soninke. B. Ghana was mostly animists, and Mali had a Muslim-following leadership. C. Ghana was patrilineal, and Mali followed a matrilineal system. D. Ghana was influenced by Arab architecture, and Mali was not.

[Free] Work out the volume of a cuboid with dimensions 6 cm by 4 cm by 2.5 cm.

[Free] \[ Y = 4x - 1 \] What is the gradient of the line represented by this equation?

[Free] If [tex]z = 4 - 3i[/tex], write [tex]z^2 + 17[/tex] in the form [tex]a + bi[/tex], where [tex]a, b \in \mathbb{R}[/tex].