Answer:
10
Step-by-step explanation:
Answer:
42x^2
Step-by-step explanation:

Another way is the formula:
Πr^2. (pi)(r) squared
Hope this helps!
Answer:
he would end up with 3000$ in 10 years with simple interest
Step-by-step explanation:
20 less than (-20) a number (n) is more than (>) twice the same number (2n)
-20+n>2n
minus n both sides
-20>n
n<-20