Answer:
4
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
Step 2: Subtract 8y from both sides.
Step 3: Subtract 18 from both sides.
Step 4: Divide both sides by -9.
y=4
Answer:
Step-by-step explanation:
Add 7 to x gives x + 7 then divide this by 5, that is
Answer:
2340 degrees
Step-by-step explanation:
Each triangle has an angle sum of 180 degrees, therefore the sum of interior angles of 15-gon will be 13×180=2340
It's 360,000 because the ten thousands place is the 6 and number to the right is less than 5
