X + y = 10
x - y = 2
add the equations together
2x = 12
x = 6
6 + y = 10
y = 3
Answer:
2nd one
Step-by-step explanation:
Answer:
I
Step-by-step explanation: pick I because The cookies at store B cost more
6s^2; where s is the side length
Answer:
120 square in
Step-by-step explanation:
The formula for area of a triangle is:
base × height ÷ 2
Plugging your triangle in to the formula, we have:
12 × 20 ÷ 2 = 120
