Just divide 4.5 by 2.8 and you'll get the rate of decreasing degree per hour.
Answer:
quadratic
Step-by-step explanation:
maybe you can try searching in google
Answer:
She should have substituted y = 17 - 2x in the first equation
Step-by-step explanation:
3x + 4y = 33
2x + y = 17
y = 17 - 2x
3x + 4(17 - 2x) = 33
3x + 68 - 8x = 33
5x = 35
x = 7
y = 17 - 2(7)
y = 3
x = 7, y = 3
Only one solution
12 x 16 = 192 square inches