exam Maths Puzzle Numerical Ability

-4^0-8^0 Simplify expression.

My answer is -1-1=-2. Is this the correct answer?

Read Solution (Total 0)

exam Other Question

One carpenter can complete a kitchen in 8 days. With the help of another carpenter, they can do the job toegether in 4 days. How long would it take the second carpenter if he worked alone?

Would you set it up like this?

x/4-x/8=1 i need help sloving this system if equation by substitution
2x-2y=4
x+3y=1