Answer:
the answer is
cause sin²x= 2/25
so cos²x would be 1-2/25= 23/25
then cos x is what I wrote as the answer
the total cost of order c is 30
4x+6y
Step-by-step explanation:
Simplify the expression. 4x+6y
12x-20+2x+6=1
14x=21
x=21/14=3/2