4/5*9/10= 36/50 = 18/25
Just multiply the fractions straight across since area is length*height
Answer:

Step-by-step explanation:
Five is <em>one-eighth</em> of forty, so relatively proportional to that, <em>one-eighth</em> of twenty-four is three, so you do this:
24 = 2x + 10
- 10 - 10
__________

I am joyous to assist you anytime.
Answer: nearest tenth is 49.0
Step-by-step explanation:
Hope this helps!
Janet earns more money because she gets paid $8 every 30minutes and in other words is that per hour she gets paid $16. Whereas Sam gets paid $15 every hour. The amount paid at the start determines who gets more
Answer:
-2a²
Step-by-step explanation:
The question is 2a × -a
This means 2a(-a)
= -2×(a×a)
=-2(a²)
=-2a²