Answer:
9 liters of fuel covered 81 km
1 liter of fuel would have covered 81/9 km = 9 km
22 liters of fuel would then cover = 22 * 9 = 198 km.
Step-by-step explanation:
yea I cant really do this over a screen
2x(-5x-3)
2x(-5x)= -10x and 2x(-3)= -6x
= -10x sq - 6x
-10x is sq bc you are multiplying the same variable twice
2370 cm²
2(32·15+15·15+15·32) = 2370
Let be the random variable denoting the number of girls that are born. Then has a binomial distribution on babies and probability of getting a girl . The probability we want is