Find each sum

1. 56 + (-56)

2. -240 + 370

3. -5.7 + (-4.2)

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.