Angle 3 and angle 4 are supplementary angles and when added together need to equal 180 degrees.
To find angle 4 subtract angle 3 from 180.
Angle 4 = 180 - 101 = 79 degrees.
Sandwiches are $5.25 Bowls are $3.50
4x+5y=38.50
3x+9y=47.25
Answer
Substitute w by 7
7^3
7x7x7 =343