Considering no discounts for bringing people to the theatre, and a being the number of adults attending the show and b the number of children attending the show then:

Answer:
a) -6/2
b) -9/2
Step-by-step explanation:
a) rearrange by making y the subject as y = mx+c
y = -6/2x-9/2
the gradient = -6/2
b) c is the y-intercept as it touch the y-axis, therefore -9/2 is where the line crosses the y-axis
Answer:
1.7 x 10 square miles
Step-by-step explanation:
subtract the numbers
Write the equation of the line through (5,-4); m = 1
Step-by-step explanation:
well, the arcs WS and ST together are the full half-circle and therefore 180°.
that means
5x + 37 + 3x - 9 = 180
8x + 28 = 180
8x = 152
x = 19