In an arithmetic sequence, the first term, ai, is equal to 9, and the fourth term, 84, is equal to 24. Which number represents the common difference of the arithmetic
sequence?
d=3
d=4
d=5
d=6

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Pls what is the relative minimum of the function? enter your answer in the box