Questions in Grade High-school

Questions in Grade High-school

[Free] Solve the equation using the square root property: \[ x^2 - 8x + 16 = 1 \]

[Free] Aqueous solutions of which ion give a reddish precipitate when excess hydroxide ion is added? A. [tex] \text{Cu}^{2+} [/tex] B. [tex] \text{CO}_3^{2−} [/tex] C. [tex] \text{Fe}^{3+} [/tex] D. [tex] \text{Al}^{3+} [/tex] E. [tex] \text{Pb}^{2+} [/tex]

[Free] Shandra's cat is 23.4 cm tall and 38 cm long. Express these lengths in meters and in millimeters. Please explain how you got it.

[Free] Which substance does not obey the Lewis octet rule? a. O₂ b. NO c. CO d. N₂

[Free] A merry-go-round makes 18 rotations in 3 minutes. What is its angular speed in rotations per minute (rpm)?

[Free] Which of the following occurs during anaphase I of meiosis? A. Formation of tetrads B. Separation of homologous chromosomes C. Crossing over D. Separation of sister chromatids, with one chromatid pulled toward each pole E. Assembly of chromosomes along the equatorial plane

[Free] You are given two solid materials, one that is organic and one that is not organic. Describe three tests you could perform to help you decide which is which.

[Free] What hardships did the South face after the Civil War?

[Free] A man exchanged a dollar bill for change and received 7 coins, none of which were half dollars. How many of these coins were dimes?

[Free] To make curtains for a living room window for a customer, you will need three pieces of fabric in the following lengths: 3 feet, 3 feet, and 5 feet. What is the total length of fabric you will need?