Answer: 85
Step-by-step explanation: 15 × 6= 90 - 5= 85
A) One solution: 5x +2y = 0 . . . . (any line with a different slope)
b) Two solutions: not possible
c) No solutions: 5x -2y = 0 . . . . (any different line with the same slope)
d) Infinitely many solutions: 10x -4y = 6 . . . . (any other equation for the same line)
Answer:
A
Step-by-step explanation:
It has the smallest surface with an increase in height