Answer:
5b2 - b -2
Step-by-step explanation:
The answer is (c)
Answer:
There are 14 dimes and 17 nickels.
Step-by-step explanation:
Let x be number of nickels and let y be number of dimes.
Given that the total is $2.25 and there are 31 coins, we know that:


Solving for x yields:

We then proceed by plugging that back into the previous equation:

--> Distribute
--> add y's together
--> subtract 1.55
--> divide by 0.05
Therefore, x must equal 17, which means you have 14 dimes and 17 nickels.
Answer:
bottom right
Step-by-step explanation:
linear means "forms a line"
I think it’s X=-3+(the square root of 2)
Answer:
$720
Step-by-step explanation:
First tutor = 30 x 10 = $300
Second tutor = 30 x 14 = $420
Total = 420 + 300 = $720