I will mark Brainliest if you give an accurate answer The scores obtained in a mathematics quiz by 5 boys are 4,6,3,7,5 and those of 4 girls are 6,3,4,7. Calculate for all scores and find;a) the mean b) the median.

Boys total:25     Mean: 5    Median:5

Girls total:20      Mean: 5    Median:5

Step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

answer: answer: d) v= 1/6 bh  

step-by-step explanation:

since according to the given question,   a pyramid is placed inside a prism.

step-by-step explanation: