Sum of a number, n and 21...." the sum " means add
n + 21
if n = 8
8 + 21 = 29....the sum is 29
Step-by-step explanation:
15^2-12^2
225-144
81
√81=9
21÷9=2.3333(recurring)
2.33333×15=x
X=34.999
or X=35 to 1 d.p
Remember that when you bring ÷ to the other side of the equal sign it'll become multiply instead
Answer:
This is NOT a function. Because if you used the vertical line test it would hit that line 2 times.
Step-by-step explanation: