What is the common difference in the following arithmetic sequence?

2.8, 4.4, 6, 7.6

Sam bought a new couch on sale at the discount furniture store. The original cost of the couch was $550. The sale price was $449. Sam has a coupon for 30% off the couch if he bought a $99 lamp.

True or False: Perpendicular lines sometimes meet at angles that are not 90°. True or False: Perpendicular lines sometimes meet at angles that are not 90°.

What is 1 half subtracted by 1 forth?

Darian drove 274.5 miles in 4.5 hours. What was his average speed?

Cheng likes a modern lawn sculpture made of four identical solid right pyramids with square bases. He decides to create an exact copy of the sculpture, so he needs to know what volume of sculpting material to purchase.

How many lines of symmetry does the shape below appear to have

Who is taller 180 cm or 5ft 8in.

Convert from fraction to percent 8/12

On this road map, which street is parallel to Waterloo Street?

Will a stand that can hold up to 40 pounds support a 21-kilogram television?