1) Striangle = 1/2 * (12-8) * 4 = 1/2 * 4 * 4 = 8 km^2
2) Srectangle = 4 * 8 = 32 km^2
3) Sfigure = 8 + 32 = 40 km^2
Number C
Answer:

Step-by-step explanation:
because
is 11-4, which is 7. And you don't change the x.
i guess is by multiplying 3by the first equation and multiply 2by the second equation
Answer: $3.7
Step-by-step explanation:
23-20=3
3/2=1.5
20-1.5=18.5
18.5/5=3.7
Equation (26.00-15.50) ÷1.50
Answer 7 rides
Solve $26 minus $15.50 equal $10.50 then divide 10.50 by 1.50 and you’ll get 7