-7 × -3 = 21
(Negative × Negative = Positive)
21 × 4 = 84
Answer = 84
Hope this helped☺☺
Answer:
Step-by-step explanation:
we have

Solve for x
That means ----> Isolated the variable x
Adds the constant term 5 both sides

----> variable terms isolated on one side and the constant terms isolated on the other side
Combine like terms
Divide by 3 both sides
Answer:
No.
Step-by-step explanation:
3/4 = 0.75
Answer:
C
Step-by-step explanation:
Well you can see that the triangle is a 45°45°90° triangle.
The ratio from the leg to the hypotenuse is x : x√2
X = 10√2
Y = 10
Answer:
A
Step-by-step explanation:
A solution to a system of linear equations is the point at which they intersect. These graphs do not intersect as they are parallel. There is no solution.