(short answers plzz)
1- An ordered pair has coordinates that have the same sign. In which quadrant(s) could the point lie? Explain.
2- Another ordered pair has coordinates that are opposites. In which quadrant(s) could the point lie? Explain

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

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

How are algebraic expressions evaluated using substitution?