Topic
Q:
\( \Rightarrow \quad 6 = ( 6 z ^ { 2 } + 2 z ^ { 2 } ) - ( 4 z ^ { 2 } + 5 z ^ { 4 } ) = \)
Q:
Yolanda purchased a prepaid phone card for \( \$ 45.50 \). Calls cost 7 cents a minute using this card. The credit, \( C \) (in dollars), left on the card after it is used for \( x \)
minutes of calls is given by the following function.
\[ C(x)=45.50-0.07 x \]
How much credit is left on the card after Yolanda uses it for 40 minutes of calls?
Q:
ппрости выражение \( (\sqrt{2}+2)^{2} \).
Q:
Simplificando \( \frac{x^{2}-5 x+6}{2 a x-6 a} \) se obtiene
Q:
3. \( \begin{aligned} y+x & =7 \\ x-y & =-3\end{aligned} \)
Q:
11) \( (3 a-1)(-2 a+3) \)
Q:
An amusement park charges an admission fee of 20 dollars per person. The cost, \( C \) (in dollars), of admission for a group of \( p \) people is given by the following
function.
\[ C(p)=20 p \]
What is the cost of admission for a group of 3 people?
Q:
Solve for \( u \).
\[ 5 u+14=54 \]
Simplify your answer as much as possible.
Q:
A) \( 4 x^{2}-64 \)
Q:
A plant is already 53 centimeters tall, and it will grow one centimeter every month. The plant's height, \( H \) (in centimeters), after \( m \) months is given by the
following function.
\[ H(m)=53+m \]
What is the dant's heiaht after 35 months?
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