Triangle abc is a regular triangle
Answer:
c=l/--a^2+b^2=l/--45^2+20^2≈49.24429
Step-by-step explanation:
l/-- mean square root
^ means squared/ exponent
Answer:
x= 3 +
, 3 -
Step-by-step explanation:
You use the quadratic formula to get x= 
Then you simplify and get the answers x= 3 +
, 3 -
Answer:
i think 4 is b
Step-by-step explanation:
700 x .03 x 20 = 420
420 + 700
1120 is in the account after 20 years