Answer:
- 
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope (gradient) and c the y- intercept )
Given
2y = - 3x - 8 ( divide all terms by 2 )
y = -
x - 4 ← in slope- intercept form
with gradient = - 
Answer:
b
Step-by-step explanation:
3^8 = <span>6561
3^9 = </span><span>19683
6581 x 19683 = </span><span>129533823
quite a big number</span>
Answer:
steps below
Step-by-step explanation:
1. It can be formed a triangle: sum of any two sides is greater than the 3rd side
2. It can't be an obtuse triangle: 5² + 7² = 74 < 10²
the triangle is an obtuse-angled triangle if the square of the longest side (c²) is greater than the sum of the square of other two sides (c²>a²+b²)
1) =
2) <
3) RS and AB
4) RS and DC are both parallel