7b is just 7 x b and if b is 6 its just 7 x 6
which the answer is 42
Answer:
14 yd
Step-by-step explanation:
The cross section is a triangle with a height of 19 and a base of x
Area of a triangle = bh/2
133 = 19x/2
266 = 19x
x = 14
Answer:
5a - 1
Step-by-step explanation:
add common terms
2a - 5 + 3a + 4
2a + 3a and -5 + 4
5a - 1
:)
2y = x + y (Vertically opposite ∠s)
2y - y = x
y = x
∴3x = 180°
x = y = 60°
X + y = 60° + 60° = 120°