Choose the correct simplification of the quantity of x to the 7th power over y to the 9th power all raised to the 2nd power. x to the 14th power over y to the 18th power x to the 9th power over y to the 11th power x to the 5th power over y to the 7th power x14y18

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Solve the formula ax+ by = c for x.