Answer:
not sure
Step-by-step explanation: not good at this stuf
122.5.
A=b x h/2. A=122.5 b=7
A x b=h
122.5 x 7 =122.5
The original price was $22.5.
18 divided by 0.8 is 22.5.
If you double check 22.5 times 0.8, you will get 18, your sales price.
4* 59+ 10= 246
The 59th term is 246~