Answer:
175
Step-by-step explanation:
7(2x-3y)
Let x = 8 and y = -3
7(2*8-3 (-3))
Inside parentheses first
7(16+9)
Add inside the parentheses
7(25)
Multiply
175
Answer:
Although water is a <u>renewable</u> resource, the amount of fresh water available for use is <u>limited</u>. Most of Earth's fresh water is <u>frozen</u> and <u>unavailable</u> for human use.
Step-by-step explanation:
It has been a while since I have done this lesson but I remember bits and pieces. Hope this helps!!
Combine place value strategy is useful if you try to subtract a number with bigger digits from a number with a smaller digit in the same place... such as now, where 3 is smaller than 9 in the ones place.
Then we can combine two place values: 23 and 19 and subtruct those. 23-19 is 4 (you can just count up from 19 to 23), so you know that the two will give the result of 04, and then you can proceed to the left: 2-1=1.
so the final result will 104.
Answer:
6
Step-by-step explanation:

-5 1/4 is a mixed fraction. so we convert it into improper fraction


negative and negative becomes positive

Both fractions have same denominators. so we can combine the numerators

Divide the fraction

Answer:
3 9/10 or 3.9 as decimal
Step-by-step explanation:
just subtract