Answer:
10 + -6
Step-by-step explanation:
add them up to 4 and multiply to -60
Answer:
perimeter = 22 cm
Step-by-step explanation:
perimeter = 2(L + W) = 2(6 + 5) = 22 cm
Answer:
x = 4
-4x+21 => 5
Step-by-step explanation:
The given triangle in the picture is isosceles triangle which means that two sides of the triangle are equal.
So,

Now
Putting all the values in equation for perimeter

Putting x = 4 in side 1

Hence,
x = 4
-4x+21 => 5
5050-3030=she needs 2020 markers.
2020/1010=2, so she needs to buy 2 more packs
To answer this would have to find the circumference of the circle