It's out of D or A I can't really see
Answer:
D is the right one
Step-by-step explanation:
π radian = 180 degree
-> 135 degree =
π radian
-> 135 degree = 0.75 * π radians = 3π/4 radian
Answer:
1
Step-by-step explanation:
y2-y1/(x2-x1)
-5--13/1--7
8/8
Slope is 1
Answer:

Step-by-step explanation:





Step-by-step explanation:
sqrt(5x)×(sqrt(8x²) - 2×sqrt(x)) =
sqrt(5x × 8x²) - 2×sqrt(5x × x) =
sqrt(40x) × x - 2x × sqrt(5) =
2x×sqrt(10x) - 2x×sqrt(5)
therefore, the last option is correct.