if a license plate consists of two letters followed by four digits, how many different licenses can be ceated having at least one letter or digit repeated

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

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

X2 + y 2 = 36 x + y = 6 solve the system of equations.