Souveniers are sold at a rock concert. 3 hats, 2 tshirts and 1 jacket cost $140. 2 hats, 2 tshirts and 2 jackets cost $170. 1 hat, 3 tshirts and 2 jackets cost $180. How much does each item cost?

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

the answer will be b x² +x-1

step-by-step explanation:

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer