Simplify the expression 36 + 18x

I don't think it can be simplified

What is the average of 1/4 and 6/18

A cheetah can run at top speed for only about 20 seconds. If an antelope is too far away for a cheetah to catch it in 20 seconds, the antelope is probably safe.

Consider the following geometric sequence. 2,6,18,54 ... The recursive formula for the sequence is? A: an=3*an-1 B: an=2*3^n-1 The explicit formula for the sequence is? A: an=2*3^n-1 B: an=3*an-1

Which equation represents the relationship between the x-values 0, 2, 4, 6, 10and the y-values 4, 16, 28, 40, 64in the table

How many months are equivalent to 4 years?

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.