Find a ⋅ b. a = 4i - 4j, b = 4i + 5j

-4

-36

Cressida decided to save a part of her income in a savings account that compounds interest every four months. Her account balance after t years can be given by the following expression. 3,545 (1.

X/9 = 48/108 How do I solve this

How are the factors of 36 and 72 related

The first digit of two numbers is in the hundred millions place. Both numbers contain the same digits. Can you determine the greater of the two numbers

Divide fractions 1/2 divided by 1/6

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.