Answer:
Step-by-step explanation:
<u>Given system of linear equations:</u>
<u>Add up the equations to eliminate y:</u>
- x + 2x = 90 + 105
- 3x = 195
- x = 65
<u>Find y:</u>
- y + 65 = 90
- y = 90 - 65
- y = 25
Answer: $18 a week
Step-by-step explanation: hope it helps
The volume of a cone is (1/3) times 3.14 times the height, and times the radius squared.
X/4 + 1 = -6
x/4 = -6 -1
x/4 = -7
x= -28
