The unknown number is 69.
*If you reverse 69, it would be 96. Thus, increasing its value by 27.
96 - 69 = 27
*The sum of its digits 6 and 9 equals to 15.
It's B cause it's open upwards.
16) y intercept is -6
17) y intercept is 2
18) y intercept is -4...1/2 (-4) = -2 -2 = !4
19) y intercept is 10....3 × 2 + 4
Answer:
10
Step-by-step explanation: