The bag of dog food would last for 21 days.
The bag contains 42 cups of dog food. If the dog eats 
cups everyday, the amount of cup in the bag decreases by cups everyday. This can be represented with this expression: 42 - d. Where d represents the number of days.
In order to determine the number of days in which the bag would be emptied, this equation can be used:
Number of days the dog food would last = number of cups in the cup / amount the dog eats each day
42 ÷
42 ÷ 
42 x 
= 21 days
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Answer:
16x^2+36x-10
Step-by-step explanation:
2 (4x - 1)(2x + 5)
=2(8x^2-2x+20x-5)
=2(8x^2+18x-5)
=16x^2+36x-10
Answer:
The measure of two supplementray angles is 180 degrees.
Step-by-step explanation:
How much is a pair of jeans? I can not answer the question if I do not know the price of the jeans.
well, we know the "sum" of both angles is 90°, notice the rectangle in the corner, so we can say that the angles are simply complementary angles, thus
