Help me .

Difference: c - d

Variable: a

Coefficient: 9

Step-by-step explanation:

Oh, I see what it is now. (Ngl, you should be able to know this)

A variable is something of a placeholder where you can plug in values into an equation.

Difference is when you subtract something.

Coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

$655.61 which is option c

step-by-step explanation:

price of house =   $146,000

initial rate = 3.5%

mortgaged paid in this = 3.5 % of $146,000

                                        =

                                        =$5110

the total years would be = 7

total mortgaged paid = 7 * $5110

                                      =$35770

remaining money = $146000-35770

                                =$110230

new mortgaged payment = 5 % of 110230

                                            =  

                                            =$655.61

2x+60=

step-by-step explanation: