Those usually mean the variable for the side length for a triangle.
You don’t have the picture up so nobody can answer this♀️
800 because 20*4*10=800 which means he works 80 weeks a month for 10 months
Answer:
y = x - 3
Step-by-step explanation:
3x - 3y = 9
3x - 9 = 3y
x - 3 = y
y = x - 3
Then plug and chug for y by entering the given x values
Answer: 15 cm to the highest total ; amount of triangles: 25
Step-by-step explanation: for the height just add 3 cm until you reach the top, which will give you 15 cm
for the amount just count them and for the top top layer count up to 9, which will give you 25 triangles.
