Which of the following is the solution to the equation - n/2 + 14 = 0 ?

What is the value of 1/3× + 7x, when x =5

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

What is the number 321,000,000 in scientific notation? also what is the number? ?