Answer:
1. 6
Step-by-step explanation:
500 – 350 = 150
150/25 = 6
If Dan is 8x years old next year then he must be 8x-1 years old this year
With the same logic, five years ago from this year, he must be 8x-1-5=8x-6
The answer should be 8x-6
7 - 2 = 5
-20 + 11 = -9
slope is 5/-9 or -5/9
(5 right / 9 down)
So she has used two kinds of sugar, brown and powdered.
She used

cups of brown sugar and

cups of powdered sugar: we need to add the two numbers:

+

= 2+1+

=3

so the correct answer is 4.5