Answer:
x=7 because 25-4=21 and 21 ÷3=7
The formula is 1/3*height*area of base.
Answer:
A
Step-by-step explanation:
Answer:
the first step is to distribute the -4 to (3-5x)
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
The slopes of perpendicular lines are negative reciprocals. That means that their product is -1.
In option D, since the slopes are 1 and -1, their product is -1, and the lines are perpendicular.
Answer: D.
