Aheadline in a local newspaper announced video game playing can lead to better spatial reasoning
abilities." the article reported that a study found "statistically significant differences between teens who play video
games and teens who do not, with teens who play video games lasting better in spatial reasonine. do you think the
headline was appropriate? explain.

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?