Step-by-step explanation:
12 to the 2nd power=144
15 to the 2nd power =225
225-144=81
square root of 81 is 9
Answer:
x=13 and y =6
Step-by-step explanation:
y=x-7
y=6
Substitute y=6 into the first equation
6 = x-7
Add 7 to each side
6+7= x-7+7
13 = x
x=13 and y =6
No because 9/1,000 in decimals would be 0.009 because if the number was a 3 number then it would go in the tenths
Answer: 273 days i believe
Step-by-step explanation:
jan: 31 days
feb: 28 Days
mar: 31
apr: 30
may: 31
june: 30
july: 31
aug: 31
sept: 30
add all the days together to get 273
