Math question! Thanks if you help

pythagoras theorem

so we have a and b

12 and 9

so ...

take the square root to find c, since 225 is c^2

so √225 = c = 15

B) 15

Step-by-step explanation:

This is a right triangle and in right triangles the square length of hypotenuse is equal to the sum of square length of base and side length

9^2 + 12^2 =√hypotenuse

225 = √hypotenuse

15 = hypotenuse

the probability that a bird is green (.30) is true

step-by-step explanation:

the final amount you will pay is $68.04.

the tip is determined by the pre-tax amount, so we calculate the tip based on the original bill, not after we've added sales tax.

to find the tip:

we can divide 54.00 by 100 to get 1% of 54. then we multiply that by 18.

54 / 100 = .54

.54 x 18 = 9.72

tip = 9.72$

to find the tax:

we can divide 54.00 by 100 to get 1% of 54. then we can multiply that by 8 to get 8%.

54 / 100 = .54

.54 x 8 = 4.32

tax= 4.32

now we can add the tip and tax to the bill to get our total.

54 + 9.72 + 4.32 = 68.04

total: $68.04

step-by-step explanation: