Mason needs to purchase new glass for the window pictured below. About how many square feet of glass will he need to purchase?

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

noncoplanar points are points that do not lie on the same line.

i think its doubled. let me know

step-by-step explanation: