Answer and Step-by-step explanation:
90ft = a
55ft = b
50ft = c
Plug into equation.

29.4° is the answer.
Answer:
there are a total of 20 boys and 30 girls in the choir of 50 students
Step-by-step explanation:
Scale the ratio 2:3. so that the numbers on either side sum to 50 . 2+3=5 , and 50÷5=10 , so we scale our ratio by a factor of 10 . So there are a total of 20 boys and 30 girls in the choir of 50 students
Subtract the year the pilgrims sailed from the year you want to find the distance from:
2040 - 1620 = 420 years.
B is correct. The distance formula can be written correctly in several different ways. Examples:
sqrt( change in x)^2 + (change in y)^2 )
sqrt( (x2-x1)^2 + (y2-y1)^2 )