What is -3xy to the 2nd power began f x= 3 and y=4

-3 times 3 = -9

-3 times 4 = -12

-9 plus -12 = -21

-21^2 = -441

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.