Answer:
(-7)(-1.2) = 8.4
(-2.5)(-2) = 5
(2.5)(-2) = -5
(7)(-1.2) = -8.4
Step-by-step explanation:
Multiplication.
Answer:
Length: 19 feet
Width: 10 feet
Area: 190 feet
Step-by-step explanation:
This is a question about ratio.
Length: let 
be the actual length.
Width: let 
be the actual width.
Area: A = xy
Answer:
12/30
Step-by-step explanation:
So we know that the denominator-numerator=18
And we also know that it's equal to 4/10 or 2/5.
Soooooooooooooo the most easiest is just to trial and error: 12/30
But I don't really know the more complex formula...
Answer:
x=64°
Step-by-step explanation:
x=180-90-26 (angles on a str line)
=64°
Answer:
- 16
Step-by-step explanation:
Evaluate f(2) by substituting x = 2 into f(x) , that is
f(2) = 3(2) - 3 = 6 - 3 = 3
Evaluate g(- 1) by substituting x = - 1 into g(x) , that is
g(- 1) = 8 - (- 1)² = 8 - 1 = 7
Thus
4f(2) - 4g(- 1)
= 4(3) - 4(7)
= 12 - 28
= - 16
