Answer:
25
Step-by-step explanation:
Answer:

» Collect like terms, r terms on the left hand side by subtracting r from both sides and adding st to both sides

» On the left hand side, factorise out r

Answer:
7.74cm ^2
Step-by-step explanation:
a=pie * r ^2
3.14*3^2=3.14*9=28.26 then you know all sides of a square are equal and 3 is half of 1 side so 6*6-=36 36-28.26=7.74
What number you have to multiply 2 to get 5.
Or 2*x=5 solve for x
Answer:
2.66666666667
Step-by-step explanation:
2.6666666667x3=8