Which element has the least metallic character. a) silicon b) sodium c) krypton d) potassium

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

i don't understand. explain it clearly

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2