Answer:

-770°

-410°

310°

670°

Step-by-step explanation:

right on edg

**Answer:**

1: 55 2: 40

**Step-by-step explanation:**

For the first problem, by the triangle angle theorm, the three angles in a triangle add up to 180, so

90+35+x=180

125 + x = 180

x = 55

Now, the angle you just found (x = 55) and the exterior angle are supplementary so they also add up to 180

55 + y = 180

y = 125

For the second problem, the two angles in a triangle non-adjacent to the exterior angle are equal to the exterior angle, so

40 + 2x = 3x

x = 40

**Answer:**

b= +/- root 32............

**Answer:**

C. 7, 14, 21, 28

**Step-by-step explanation:**

Since you know your times tables, you know that multiples of 7 are ...

** 7, 14, 21, 28**

Because a line always goes past the y-intercept and x-intercept. It's not always both, it can sometimes just be the x-intercept or the y-intercept.

When a line intersects these points, for example if a line was to intersect the x-axis then y would be equal to 0, and the opposite for the y-axis. If a line was to intersect the y-axis x would be equal to 0.

Therefore by using that knowledge, and the equation of the line [ y=mx+c or y-y1=m(x-x1) ], we can find the equation of our line. Of course you would need the gradient of that line (the value "m").