This is your answer, i hope this help if you have any questions let me know
Its -3 because of the 2 open circles on the line x = -3
Ok, so we know that the radius of Sphere A is 24 cm, and we know that the diameter of Sphere B is 42 cm. To find the radius of Sphere B, all we need to do is divide the diameter by two. The radius of Sphere B is 21 cm. 24 times what factor is 21? Well,

is equal to 21. All we need to do now is simplify it. Divide the numerator and denominator by 3, and we get
Positive 28 because it’s above the ocean so it’s in the positive see it make sense so if it was below sea level it would be negitive
Answer:
The diagonals are congruent.
Step-by-step explanation: