The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

What is negative 3/9 times negative 2/8 ?