Hello let me teach you some Chinese Hello = 你好 ( nǐ hǎo )

Hello, my name is Jia = 你好，我叫賈 ( nǐ hǎo ， wǒ jiào jiǎ )

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

What are “like terms”? why can we only add like terms?