Write and test a conjecture about the quotient of a negative number and a positive number. Give at least two examples when testing the conjecture. 30 POINTS if the answer is reasonable

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Write the expression 7x^3-28xy^2 as the product of 3 factors

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?