. Match each angle of rotation to the point that A′ (the image of A) coincides with after that rotation.

Step-by-step explanation:

sorry unclear question...so can't help...try again with a clear one

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.