Answer: D is the correct answer.
Answer:
b
Step-by-step explanation:
it can be 20 ft that is what l think
Answer:
Face diagonal of a cube:
Step-by-step explanation:
f2 = a2 + a. Then f2 = 2a.
Answer:
kathryn= 6 years old
her mother= 38 years old
Step-by-step explanation:
kathryn=x
mother= x²+2
x²+2 +x=44
x=6
kathryn= 6 years old
her mother= 38 years old