Answer:
-5.04199038
Step-by-step explanation:
(y2-y1)/(x2-x1)
Plus, mthway can double check
Answer:
A. 9x^4 and 3x^5y
Step-by-step explanation:
there are two ways to solve this:
first way:
You can solve this my substituting numbers for x and y in this case i used 2 for x and 3 for y and see which one is equal to the original equations
the second way is the regular way
when you add or subtract numbers with variables and exponents you want to add the constants and add the exponents in this case
is the same as
=
and you can do the same process for subtraction
= 
Answer:
about 9 pounds, 7 ounces
Step-by-step explanation:
5 ounces per week
for 4 weeks
= 5 x 4 = 20 ounces gained thought these 4 weeks
Now add
8 Pounds, 3 ounces + 20 ounces = 9 pounds, 7 ounces
hopefully this answer can help you to answer the next question