Its smallest form. Solve these problems
A sandwich shop stocks five different sandwiches.
2/5 are ham, 1/4 are cheese, 1/8 are cucumber, 1/5
are chicken and the rest are tuna sandwiches. The
shop owner says that the shop stocks 60
sandwiches. Is he correct? Can you explain your
answer? How many sandwiches could the shop have
in stock?

Solve the system of equations. y= 2x y= x^2 - 15

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?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b