How do i simplify the expression 6(x+2)-4

The ratio of blue cards to green cards is 2 to 5. there are 8 blue cards. complete the diagram and explain how you can find the number of green cards.

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.