Albert walks 4/5 of a mile in 5 /12 of an hour. what was his average speed in miles per hour?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

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.

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)