Answer:
Step-by-step explanation:
<u>Given system:</u>
<u>Multiply the first equation by 7 and add up the equations:</u>
- -7x + 7y + 7x + 3y = 7*8 - 16
- 10y = 40
- y = 4
<u>Find y:</u>
Answer:
78
Step-by-step explanation:
40 x 76 is the equation by 4x4 of 86 and the 36
Answer:
i think 2. is : 1and 3. is
Step-by-step explanation:
Area = b*h and in some cases * 2 so you need to do this, 64*52 + 40*28= 4448 yd2
5. Line e and line c
6. Line a and line d
