Apply the rules of order of operations to solve the following problems. 52 – 6 × 7 = ? 108 ÷ 9 × 5 = ? (54 + 42) ÷ 12 =? 183 – [(12 + 7) × 4] = ?

I’m really confused and need your assist me with this question i’ve never been taught

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your