I believe the equation is y = -3x + 0
3+p=8
-p -p
3=8-p
-8 -8
-5=-p
swap signs
5=p
Question 7:
Diameter = 6.2 cm so Radius = 3.1 cm
A=πr² = 3.14 × 3.1² = 30.1754 cm² = 30.18 cm²
Question 8:
Circumference = 2πr
16π = 2πr
therefore 16 = 2r so r = 8cm
Answer
Rectangle or Square
Why
Only square and rectangle has the property of having a 2 90 degrees angle or right angle.
5x+20+16
the expression is 5x+36
