Answer:
5
11
8
Step-by-step explanation:
Answer:
x=7
step-by-step explanation:

5(2x+10) =3×40
10x + 50 = 120
10x =120-50= 70
x = 70/10= 7
Answer:
triangular prism - 9
rectangular prism - 12
triangular pyramid - 6
rectangular pyramid - 8
Step-by-step explanation:
You can find picture of the shapes online and count it yourself.
Answer:
4
Step-by-step explanation:
The sum of the measures of all interior angles in triangle is always equal to 180°. So,
∠A+∠B+∠C=180°
∠B=180°-63°-49°=68°
Now use the sine rule:

Answer:
y = mx + c
Step-by-step explanation:
m = gradient
c = y-intercept