Answer:
x = 12
Step-by-step explanation:
Angle 1 = 8x - 17
Angle 2 = 5x + 19
These are congruent which means they are the same so the equation is:
8x - 17 = 5x + 19
3x - 17 = 19
3x = 36
x = 12
24+8 = 30
30 - 12 = 18
18-9 = 8
There are 8 cards left in the stack
Answer: This statement isn't true.
Step-by-step explanation: By finding like denominators, you can add the fractions on each side. Then, compare by cross multiplying.
170 cm. The unknown length on the left is 21 cm