Answer:
c
Step-by-step explanation:
Answer:
13 cm
Step-by-step explanation:
The diagonal of a rectangle forms a right triangle; where the diagonal is a hypotenuse, and two sides of the rectangle are legs.
Using pythagorean's theorem (
), we can say:

The hypotenuse is equal to 13cm.
Answer:
Step-by-step explanation:
Given

comparing it with standard equation 
so 4a=1

so Focus of parabola is (0,0)
directrix
y=-a
here 
Answer:
Go to desmos graphing calc
Step-by-step explanation:
Answer:
For first page I belive both of the answer are b. The second page I believe b and c
Step-by-step explanation: