Answer:
The answer is B.
Step-by-step explanation:
B
using Pythagoras' theorem in the right triangle, then
c² = a² + b² = +
c² = (4 × 3) + (9 × 2) = 12 + 18 = 30
take the square root of both sides
c = → B
The answer is D
Answer:8
Step-by-step explanation;Since you want to find the density but you already have the mass you do the inverse operation and divdie 56 by 7 and get 8.
