Answer:

Step-by-step explanation:
Start with:

Combine like terms:

Answer:
Step-by-step explanation:
3 times 4 is 12. you can solve this by dividing 12 by 3, or by skip counting and using repeated addition.
Answer:
2.4166666666 (6 forever)
Step-by-step explanation:
If the price of paper increases by a lot, then book producers would respond by supplying less books.
Step-by-step explanation:
they forget the last step which is to take the square root of the sum
7) a = 4
b = 17
a² + b² = c²
4²+ 17² = c²
16 + 289 = c²
305 = c²
√305 = c
17.464249196572980 = C