Two rectangles are shown below. Rectangle R has a perimeter of 24 cm. Rectangle T has a perimeter of 22 cm. Write a system of equations and solve them to find the values of g and h.

Can someone help

What is the smallest integer n such that n\sqrt{2} is greater than 20

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?