Answer:
x=100
Step-by-step explanation:
180 degrees on a straight line.
180-57= 123
123-23=100
x=100
Hope this helps
Multiplication, addition, subtraction
The antiderivate of 5x is 5x^2 / 2 .
Answer:
x^2-16
Step-by-step explanation:
A= (b)(h)
A= (x+4)(x-4)
x^2-4^2
x^2-16
Answer:
312
Step-by-step explanation:
Triangles
1/2 12 *10 = 6*10 = 60
there are two triangles meaning we have to multiply 60 by 2 = 120
Rectangle
12*16 = 192
Add the two and you have the area 120+192=312