In the past month, Aldo rented 7 video games and 4 DVDs. The rental price for each video game was $2.30. The rental price for each DVD was $2.90. What is the total amount that Aldo spent on video game and DVD rentals in the past month?

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

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?