Using distributive property what does 6(4+2a)

Which letters from the table represent like terms? a and b b and c a and d b and d

Aline passes through 3,7 and 6,9 what equation represents the line

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?