Simplify this expression

b+2+5b

Find the error in the student's calculation. 23 (2 - 4) + 5 (3 - 8) 23 (-2) + 5 (5) 8 (-2) + 25 -16 + 25 9

I have 700 blocks 5 10 blocks and eight one blocks I use my blocks to model two three digit numbers what could my numbers two numbers be

A graphing calculator displays 1.89•10

Which expression is equivalent to 3xy+10xy-5x+2x-2yx? a. 15xy+7x b. 13xy-7x-2xy c. - 8xy d. - 3x+11xy

How to slove for 6≤n+15 for n

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.