Add the decimals represented by the models below.

Each model represents 1.

+

= ?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?