A class consists of 15 boys of whom 5 are prefects. a) How many committees of 8 can be formed if each consists of exactly 2 prefects?

there would only be one committee of eight, because there is only 15 boys if you add it up 7 + 8= 15 you do not have enough boys to form more than one committee there will be seven boys left out three of which are perfect

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

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8