What expression is equivalent (2 ½ x 2 ¾) ²

A rectangle is 5 times as long as it is wide. The perimeter is 70 cm. Find the dimensions of the rectangle. round to the nearest tenth if neccasary.

Find the value of the following if x = - 1 and y = - 3: __2x-4y___ x2 + y

What are the highest perfect square multiples of 175

Casey has 8 1 2 yards of fabric. She uses 2 1 2 yards to make pillows and 3 yards to make curtains. How much fabric is remaining

State the property of addition being used: 7 12 = 12 7

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.