50 points Write an equation that can be used to find the nth term of the sequence, an. 100, 112, 124, 136, 148, ... Enter your answer by filling in the boxes. an = n +

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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