The first one is 5.3 you multiply 4x4 which is 16 then divide by 3 which then gives you the answer
Answer:
Area of the sector is 97.30 square feet.
Step-by-step explanation:
The area of the sector is given by

Plugging the known values in this formula to find the area of the sector

Use the value of π as 3.14

Simplifying, we get

Rounded to the nearest hundredth, we get

Answer:
Given in quesion:Point B (3,1) and point A is -1. Distance between A and B is 5 units.
Using distance formula for AB we obtain,
AB^2=(x2-x1)^2 + (y2-y1)^2
5^2=(3+1)^2 + (1-y)^2
25-16=(1-y)^2
9=(1-y)^2
1-y=3
y= -2
Therefore the possible co-ordinates of A are(-1,-2).This is your required answer.
It would have an infinite amount of solutions.
Change each equation into y=mx+b form and then do system of equations.