What is 3a-3 with grouping symbols?

On Monday Mr. Borden ran 4.6 miles in the morning and 0.78 miles that afternoon. on Tuesday he ran 3.4 miles. how much did he run Monday and Tuesday all together? write an equation and solve

Tatyanna's grandfather gave her one penny on the day she was born. He plans to double the amount he gives her every day. Estimate how much whe will receive from her grandfather on the 12th day of her life.

In the figure, TR-→ - and TV-→ - are secants to circle A. mRV=99∘ mSU=45∘ What is the measure of ∠RTV? Enter your answer in the box.

If y varies directly as x and k = 8, find x when y = 8. 01 08 O 64

To which subset of real numbers does the following number belong? square root of 16 A. rational numbers B. irrational numbers C. whole numbers, integers, rational numbers D. imaginary numbers

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.