What is the area of the region left if three equilateral triangles are cut off from a semi circle of radius 4cm?

Solve for x. −3/4(x+2)=6 enter your answer in the box

The weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?

Miguel has 334 baseball cards and 278 football cards. he says, i have 612 cards in all. is that reasonable? explain using the words round and estimate.