Why is 3 + 7 not an algebraic expression 3 + 7 does not contain any numbers

3 + 7 does not contain a variable

3 + 7 does not contain an operation

Which graph represents the equation y =4x

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?