Multiply & simplify: (2a + 1) (a+3)

To turn 2/5 into a decimal, what operation must you perform? A. 2:5 B. 2x5 C. 5-2 D. 5:2

A 8 kg ball of clay moving at 3 m/s slams into a 2 kg ball of clay at rest. If the two balls stuck together after collision, what is the speed of the combined ball?

Product of two negitve numbers and a positive number

A Florida factory produces fishing reels at a rate of 800 per day, every day. In April, they are forced to cut their production by 1/5 due to an aluminum shortage. A chain of sporting goods stores orders 20,000 fishing reels.

Explain why the equation 5x-7=7 has only one solution?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.