Nikita invests $2,000 into a bank account with a 4% annual interest rate. in seven years, which is the most expensive item she could afford to buy? a. a home theater system priced at $3,000 b. a beach vacation priced at $2,200 c. a sectional sofa priced at $2,700 d. a mountain bike priced at $2,500

(D) A mountain bike

Step-by-step explanation:

Principal amount = $2000

Interest rate = 4%

Time (t) = 7 years

So, interest after 7 years (I)  =

                                              =

                                             = $560

Total amount = 2000+560

                      = $2560

So, he can afford anything whose price is under $2560.

Most expensive item she could afford to buy is a mountain bike priced at $2500.

3

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.