Leah has an unknown number of ping-pong balls. She buys 240 more
and then counts that she has a total
of 620. Write an equation to describe
this scenario. Use 'x' for the original
number of ping-pong balls. Then,
solve the equation for the value of

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The volume of a cube is 8 in to the 3rd power. how long is each side?