The Hulk has $70 in his savings account and saves an additional $4 per week, while Thor has $35 in his account and
saves an additional $9 per week. Find the number weeks it
would take before The Hulk and Thor have the same amount of
money in the bank.

number one is the correct answer

step-by-step explanation: dogs and cats are mentioned, no other animals

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,