How many pairs of parallel sides does the trapezoid below have

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Given that abcd is a rhombus, what is the value of x?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?