Answer:
substitute y = 4 into the expression⇒(2×4)+3=8+3=11
Step-by-step explanation:
Answer:
Pythagoras theorem. 20^2 times 18^2 = distance^2
Answer:
Each term in Pattern A is one half the corresponding term in Pattern B.
Step-by-step explanation:
6 is half of 12 , 12 half 24, 18 half of 36, 24 half of 48 , 30 half of 60 etc.
C is the correct answer
explanation: the opposite is the always the positive or negative of the number