Negative five times a number is less than the sum of negative six times the number and 12

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69