Answer:
x= 22.5
Step-by-step explanation:

The sum of two polynomials (polynomial plus polynomial) will always result in another polynomial
Answer:
Her heart beats 75 times per minute.
Step-by-step explanation:
Okay, for this one, I recommend setting up a proportion table. First you will figure out that her heart beats 225 times approximately in 3 minutes (no duh), and literally all you have to do is divide 225 by 3. That's all! Then you'll get 75! I hope this helped you!
Each cupcake is $2.50. Divide the amount by 12
Answer:
32
Step-by-step explanation:
4(5+3)=
20+12=
32
or
4(5+3)=
4(8)=
32