Answer: hiiiiiii lol
Step-by-step explanation:
The answer is C.
The expression is telling you to multiply the parenthesis times four. When you multply two numbers, 
, it means that you're considering 
"copies" of 
, or if you prefer, repeated times.
So, you have
<- this is twice as much as the parenthesis
<- this is three times as much as the parenthesis
<- this is four times as much as the parenthesis
<span>calcium hydride + water → calcium hydroxide + hydrogen</span>
Answer:
Step-by-step explanation:
Basic Charge = $ 65
Rate per hour = $ 28
Number of hours = H
Rate for H hours = 28 *H = 28H
Equation:
65 + 28H ≤ 250
