This square has an area of 36 ft?. What is the length of one I of its sides?
A. 7 feet
B. 6 feet
C. 5 feet
D. 4 feet

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Prove that 16^4-2^13-4^5 is divisible by 11.