Deposit: = $600 on 1st April
Futher Depost = $200 on1st July
Interest rate = 2.60% per annum
Compounded = quarterly
Volume of a cylinder formula is

The inequality for this problem is
200 - 2w < 175 => 2w > 200-175 => 2w > 25 => w > 12.5
The conclusion is that Ryan will have less than 175 lbs after 13-th week.
Good luck!!!
Y=3x-5
Y=5/4x+3/4
The solution to the equations is in the picture
Answers
1. 1/4 x M-6= (m+9)x2
Ps. Couldn’t do 4