Answer:
the first one
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
Answer:
i cant see it can you get a batter pic
Step-by-step explanation:
The area of a triangle is .5*b*h = .5x^2
.5x^2 = 27 so
x^2 = 54
x = sqrt(54) = 7.3