If u =5 and c= -3 then cu = -3+5 = 2
Answer:
a)
, b) 
Step-by-step explanation:
a) The floor area of the pool is:


b) The total area of the walls of the pool is:


Answer:
? = 14
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
tan theta = opp /adj
tan ? = 8/33
Taking the inverse tan of each side
tan ^-1 ( tan ?) = tan ^-1 ( 8/33)
? =13.62699
To the nearest degree
? = 14
This means the graph or the equation has no solution